—Waiter!
—_____.
—It's too hot. I can't eat it. [ ]
A. OK
B. All right
C. Yes?
答案:C
测风开始前应关闭计数器,将()回零,在风表运转30秒时再开动计数器。在开停风表计数器的同时,开停秒表。
秋毫无犯