整套设备应在（）下进行试运行。A.空载 B.满负荷 C.半负荷 D.超负荷_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

整套设备应在（）下进行试运行。

A.空载

B.满负荷

C.半负荷

D.超负荷

答案

参考答案：B

填空题

用所给单词的正确形式填空。

up to call hang make talk

Tom wants to 1______ his mother on the phone. He 2______ a call. Tom 3_____ on the phone, " Hello. "
Then Tom hears his mother speaking, " Tom? Where are you now? " Tom talks 4______ his mum on the
phone. " Mum, I'm at Steven's house. May I go skiing with him now? " " Now, Tom. It's time to have our
supper." says his mum. " Oh! I am hungry. I'll go home now. Bye, mum. " Tom 5______ 6______ the phone.

单项选择题

乙醇未指明浓度时，是指

A．95% (ml/ml)
B．85% (ml/ml)
C．75% (ml/ml)
D．100% (ml/ml)
E．50% (ml/ml)