问题 单项选择题

有卸载机构的大、中型活塞式制冷压缩机采用()方法调节冷量。

A.变频调节

B.压缩机停、开

C.顷开部分气缸的吸气阀片

D.滑阀调节

答案

参考答案:C

写作题

书面表达

Daniel最近迷上了手机游戏,经常玩到深夜。现在他因为睡眠不足,上课不能认真听课,成绩也在下降。他妈妈很生气,不再让他使用手机。假如你是他的朋友Tina,请你写一封信给他,建议他要合理使用手机,如查阅资料、记单词等。同时,考试在即,要理解父母、老师的心情,要主动去沟通,得到他们的原谅和帮助。

要求:

1.包含所给的要点,语言流畅,意思连贯,适当扩展。

2.词数:90词左右,开头和结尾已给出,不计入总次数。

Dear Daniel,

I am sorry to hear that you quarrelled with your parents about playing mobile phone games.

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                   

I hope my suggestions are of great value to you.

Yours,

Tina

单项选择题