The sad news broke her ______ and she has been in bad mood ever since.
A. feelings
B. head
C. heart
D. mind
查看答案
______ is often more difficult to find trained men than to get financial support for scientific research.
A. It
B. That
C. This
D. What
Next time I go there, I ______ them about what has happened recently.
A. ask
B. shall ask
C. asked
D. asks
费用效果分析遵循( )原则,通过对各种方案的费用和效果进行比较,选择最好或较好的方案。
A. 有无对比
B. 多方案比选
C. 计算口径一致性
D. 以人为本
Radio is one of ______ means of sending news and information.
A. the most common
B. the commonest
C. more common
D. common