选择题：7. The old man was seriously ill and he was in ___

题目内容：

7. The old man was seriously ill and he was in _____ need of treatment.(本题1.0分)
A、 main
B、 popular
C、 urgent
D、 upset

参考答案：

31. The pilot asked all the passengers on board to

31. The pilot asked all the passengers on board to remain _____ as the plane was

17. Victor apologized for _____ to inform me of the change in the plan.(本题1.0分)

13. —I.m going camping this weekend. —________.(本题5.0分) A、 Can you fish? B、 Have

4. (判断题) 无论层流还是紊流中,沿程水头损失都与平均流速的平方成正比。( )(本题2.0分) A、正确 B、错误

18. That’s ________exciting news that I’d like to tell everyone to share the joy