触媒使用中期,操作上要严格控制床层温度低于()℃。
A、245
B、235
C、225
D、215
参考答案:B
用所给单词的正确形式完成句子。
1. It's my _____ (one) time to come to China. I like it very much.
2. These _____ (play) do very well in the match. They are really great.
3. Thank you for_____ (organize) the class trip to Nanjing.
4. June 1st is _____ (child) Day.
5. I _____ (1ike) basketball because I am not very tall. It's hard for me.
关于踝关节的叙述,正确的有()
A.背屈时有内翻功能
B.背屈时有外翻功能
C.趾屈时有内翻功能
D.趾屈时有外翻功能
E.踝阵挛与跟腱反射减退同时存在