汽车在规定的条件和规定的时间内完成规定功能的能力称为汽车的（）。
A、平顺性
B、通过性
C、可靠性
D、安全性
参考答案：C
羽毛球发球被判违例，下列哪种处理情况是正确的（）
A.重发球
B.发球方失一分
C.接发球方得一分
D.以上都可以
Our monitor requested that ________. [ ]
A. all the class studied more carefully the problem
B. the problem was more carefully studied
C. with great care the problem could be studied
D. all the class study the problem more carefully
