— How much is too much for a schoolbag? — Experts say students should carry ____
题型：专项题难度：来源：
— How much is too much for a schoolbag?
— Experts say students should carry ______ more than 10 or 15 percent of their body weight. |
| [ ] |
A. no
B. not
C. any
D. far |
答案
| A |
举一反三
| _____, the project is well carried out despite some minor problems. |
| [ ] |
A. After all
B. In all
C. Above all
D. All in all |
| ______ two exams to worry about, I have to work really hard this weekend. |
| [ ] |
A. With
B. As
C. As for
D. Because |
The voyages of travellers before the 17th century show that they were not _____ the sea even
though they didn"t have modern navigational aids. |
| [ ] |
A. at the expense of
B. at the risk of
C. in the way of
D. at the mercy of |
| We should discuss the plan _____ before we work it out. |
| [ ] |
A. in general
B. in detail
C. on time
D. on purpose |
| Leaves are found _______ all kinds of trees, but they differ greatly ______ size and shape. |
| [ ] |
A. in; on
B. in; from
C. on; by
D. on; in |
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