It takes more energy to do a job in two minutes than__________ the same job in two hours．
A. to do
B. do
C. will do
D. is doing
查看答案
为了保证培训取得预期的效果，必须对培训进行（）监控和评估。
A. 重点
B. 全程
C. 针对性
D. 参与性
波导等效为双线的等效条件是什么？为什么要引入归一化阻抗的概念？
Many doctors don'tbelieve that music can treat diseases because
A. recover from disease quickiy
B. there is not minds actively
C. use their minds actively
D. it improves general well-being
E. listen to musical performances
F. it brings many other benefits
The best title for this passage would be．
A. What Can a Good Job Offer？
B. Earning a Living．
Correct Attitude on Job．hunting．
D. How to Choose a Job？
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