所谓事故切断阀,实际上是一种特殊的气动阀,它具有二个特性:一是只有全开或全关两种状态;二是()
A、开关灵活
B、关闭严密
C、关闭后不能打开
D、开关较迅速
参考答案:D
欧洲西部最典型的气候类型是[ ]
A.温带海洋性气候
B.热带季风气候
C.热带草原气候
D.温带大陆性气候
短文填空 根据短文内容及首字母提示,补全空格内单词,使短文完整、通顺。(请在答题纸上写出完整单词)(每空一词;共10空,每空1分,满分10分)
A young man goes to the supermarket and buys a p 小题1: of socks. When he comes back home, he goes to his room and tries t 小题2: on. He finds they are in different colours. One is blue but the other is g 小题3: .
His mother and sister are cooking d 小题4: in the kitchen. He tells them: “My new socks are in different colours. I should make them in the same c 小题5:. Would you please h 小题6:me?” His mother and sister are b 小题7: and they don’t say anything. When his mother finishes cooking, she g 小题8: to her son’s room and makes the green sock blue. She comes back without saying a 小题9: . After her supper, the man’s
s 小题10: goes to her brother’s room and makes one blue sock green without telling her brother.
How will the young man feel the next morning?