以天然气为原料小型合成氨装置合成塔电炉可以直接引起火灾原因是()。
A、电炉绝缘不好
B、气体超温
C、气体超压
D、汽体放空
参考答案:A
用方框中所给单词的适当形式填空,使短文通顺正确、连贯(每个单词限用一次)。
This week we asked students at New High School about the best ways to learn more English. Many said they learnt by using English. Some students had more 小题1: suggestions. Lillian Li, for example, said the best way to learn new words was by reading English magazines. She said that 小题2: the words of pop songs also helped a little. When we asked about studying grammar, she said,” I never study grammar. It’s too boring.”
Wei Ming feels 小题3: . He’s been learning English for six years and really love it. He thinks studying grammar is a great way to learn a 小题4:.He also thinks that watching English movies isn’t a bad way, because he can watch the actors say the words. Sometimes, however, he 小题5: watching movies frustrating because the people speak too quickly.
引火温度越(),爆炸极限越()。
A.高
B.低
C.大
D.小