an ant is crowling from point a to point b using the staircase.how many meters will it crawl to reach point b
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4 tháng 2 2016
Một ốc từ chân đến cực đỉnh cao 10 mét. Trong ngày nó bò lên đến 5 mét, và vào ban đêm nó giảm xuống 4 mét bò. Muốn đạt đến đỉnh, sên bò để mất vài ngày và đêm?
Bài thì mk ko làm,mk dịch thui
22 tháng 4 2018
I/read the passage and answer the following question:
Water pollution is the contamination of bodies of water such as lakes, rivers, oceans, and groundwater (the water beneath the Earth’s surface). It is one of the most serious types of pollution.
Water pollution can have many different causes. Factories dump industrial waste into lakes and rivers. Sewage from households is another cause. Farms using pesticides to kill insects and herbicides to kill weeds can also lead to water pollution. These factors cause ‘point source’ pollution while pollutants from storm water and the atmosphere result in ‘non-point source’ pollution.
Water pollution can have dramatic effects.
1.what are point source pollutants?
=> Factories dump industrial waste into lakes and rivers, sewage from households, farms using pesticides to kill insects and herbicides to kill weeds are point source pollutants.
2.what are the non-point source pollution
=> Pollutants from storm water and the atmosphere result are non-point source pollution.
II/choose the best answer A,B,C or D to complete the sentences:
1.I intended ......to New York next month
A.flew B. to fly C. fly D.flying
2.Earth.........by the gravity of the sun and orbits around it
A. is held B.hold C.to hold D.holding
III/ Circle the word with a different stress pattern from the other:
1. A.classic B.nature C.degree D.debris
2. A.dramatic B.tornado C.historic D.injury
3. A.communicative B.competitive C.opportunity D.unfortunate
4. A.authority B.impolite C.unhealthy D.repetitive
HV
7 tháng 12 2021
58. You shouldn’t point at others while talking because it is impolite.
A. It’s better for you to point at others while talking although it is impolite.
B. It isn’t better for you to point at others while talking because it is impolite.
C. You had better not point at others while talking because it is impolite.
D. You don’t need to point at others while talking because it is impolite.
59. We must finish all the homework by Thursday to meet the deadline.
A. We are obliged to finish all the homework on Thursday to meet the deadline.
B. It is obligatory for us to finish all the homework before Thursday to meet the deadline.
C. We have to complete almost all the homework by Thursday to meet the deadline.
D. The deadline is Thursday so we need to finish almost all the homework then.
60. Be on time! The water puppet show starts at 7 pm sharp.
A. Be on time! The water puppet show starts at around 7 pm.
B. Be on time! The water puppet show starts at exactly 7 pm.
C. Be on time! The water puppet show starts at approximately 7 pm.
D. Be on time! The water-puppet show starts before 7 pm.
61. You’re kidding! His current job is too good for him to quit.
A. Are you kidding me? His current job is too good for him to quit.
B. You’re joking! His current job is too good for him to quit.
C. You’re winding me up! His current job is too good for him to quit.
D. All are correct.
62. All workers are asked to follow the safety rules at the construction site.
A. All the workers must follow the safety rules at the construction site.
B. All the workers should follow the safety rules at the construction site.
C. Not all the workers are obliged to follow the safety rules at the construction site.
D. Not all workers are asked to break with the safety rules at the construction site.
KP
29 tháng 4 2022
39. The play was so boring. However, Hoa saw it from beginning to end.
-Although the play was so boring , Hoa saw it from beginning to end.
40. They will replace coal by another renewable source.
-Coal will be replaced by another renewable source.
C
20 tháng 12 2021
Exercise 10: Choose the sentence (A, B, C, or D) that is closest in meaning to the root sentence or the best combines the two given sentences.
76. You shouldn’t point at others while talking because it is impolite.
A. It’s better for you to point at others while talking although it is impolite.
B. It isn’t better for you to point at others while talking because it is impolite.
C. You had better not point at others while talking because it is impolite.
D. You don’t need to point at others while talking because it is impolite.
77. We must finish all the homework by Thursday to meet the deadline.
A. We are obliged to finish all the homework on Thursday to meet the deadline.
B. It is obligatory for us to finish all the homework before Thursday to meet the deadline.
C. We have to complete almost all the homework by Thursday to meet the deadline.
D. The deadline is Thursday so we need to finish almost all the homework then.
78. Be on time! The water puppet show starts at 7 pm sharp.
A. Be on time! The water puppet show starts at around 7 pm.
B. Be on time! The water puppet show starts at exactly 7 pm.
C. Be on time! The water puppet show starts at approximately 7 pm.
D. Be on time! The water-puppet show starts before 7 pm.
79. You’re kidding! His current job is too good for him to quit.
A. Are you kidding me? His current job is too good for him to quit.
B. You’re joking! His current job is too good for him to quit.
C. You’re winding me up! His current job is too good for him to quit.
D. All are correct.
80. All workers are asked to follow the safety rules at the construction site.
A. All the workers must follow the safety rules at the construction site.
B. All the workers should follow the safety rules at the construction site.
C. Not all the workers are obliged to follow the safety rules at the construction site.
D. Not all workers are asked to break with the safety rules at the construction site.
81. She hasn’t phoned home for two weeks.
A. The last time she phoned home is two weeks ago.
B.The last time she phoned home was two weeks ago.
C.The last time she phoned home was two weeks
D.The last time she phone home was two weeks ago.
82. Nam works more lazily so he often gets worse marks than Quang.
A . Quang works harder so he often gets better marks than Hung
B. Quang work harder so he often gets better marks than Hung
C. Quang worked harder so he often gets better marks than Hung
D. Quang works harder so he often gets better marks than Hung
83. Romantic films interest me more than war films.
A. I find romantic films more interesting as war films
B. I find romantic films much interesting than war films
C. I find romantic films more interesting than war films
D. I find romantic films is more interesting than war films
84. It took me two hours to walk to her village.
A. I spent two hours to walk to her village.
B. I spent two hours walking to her village.
C. I spent two hours walk to her village.
D. I spent two hours to walking to her village.
85. Hung drives more carefully than his brother.
A. Hung’s brother drives less carefully than he does.
B. Hung doesn’t drive as carefully as he does.
C. Hung’s brother drives more carefully than he does.
D. Both A and B are correct
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7m nha bạn!