题目内容
（请给出正确答案）
[单选题]
The boxes must be strong enough to withstand transport（)very bad roads.
A.Along
B.For
C.in
D.over
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.Along
B.For
C.in
D.over
如果结果不匹配，请 联系老师 获取答案
更多“The boxes must be strong enoug…”相关的问题
On a precedence diagram, the arrow between two boxes is called:
A.An activity.
B.A constraint.
C.An event.
D.The critical path.
E.None of above.
A.a box of matchs
B.a box of matches
C.a box’s matches
D.matchs of boxes
128 On a precedence diagram, the arrow between two boxes is called:
A. An activity.
B. A constraint. C. An event.
D. The critical path.
E. None of above
根据下列材料请回答 16～30 题：
Some years ago，Chinese high school students would show their new schoolbags，new clothes or new pens to their classmates when the new term started．Today，however，all have 16 If you still come back to school 17 0nly these things，you are out—of-date(过时的)。Students in big cities like to bring the latest high．tech things to school，and feel happy and 18 to show off(炫耀)these things to 19 ．Mobile phones，MP3 players，CD players，electronic dictionaries，the list is endless．
Young people think that．1iving in the 21 st century，they must keep up with the 20 They don't want to fall 21 ．Besides，they think 22 they need to keep in touch with their classmates．SO they need mobile phones．They also like to 23 the pop music，SO they need CD players．They explain that， 24 like electronic dictionarjes，these can be 25 in their study， 26 ．They think that their parents should understand 27 they want these things-
Foreign students will also bring some latest high-tech things when they 28 to school at the beginning of a new term． 29 ，they often use the money which they made by themselves during the holiday to 30 these high—tech things that they want．
第 16 题
A．changed
B．come
C．joined
D．stopped
Accidental flooding of the engine room bilges by the bilge main is prevented by().
A.stop-check valves installed in the bilge suction manifolds
B.using a positive displacement reciprocating bilge pump
C.installing educators in all bilge rose boxes
D.installing a swing check before each bilge valve
A. must have been working
B. might be working
C. must work
D. should have worked
A.Must, can’t
B.Must, needn’t
C.May, needn’t
D.Can, mustn’t
