边检人员应使用文明用语,音量、语速适中,语调柔和。
参考答案:对
用所给单词的正确形式填空。
1. We (has) short and straight hair.
2. Her eyes (be) blue, but (I) eyes are black.
3. Jenny's hair is long, but my hair is (long).
4. My mother is (young) than my father.
5. Is she (tall) than you?
6. Who (have) three hairs?
7. (do) Bob wear glasses?
根据快开门式压力容器的工作特点,判断下列情况中容易造成快开门式压力容器发生人身伤亡事故的是( )。
A.容器长期在最高工作压力下运行
B.容器长期在高温环境下运行
C.容器端盖经常开启
D.容器端盖未完全闭合就升压
E.容器在卸压未尽前打开端盖