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【简答题】
三极管的三种工作状态是 放大、截止和 。
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【判断题】单个油箱油量超过1000Kg的变压器,下面应设置贮油池。
A.
正确
B.
错误
【单选题】人工呼吸的方法不正确的是()
A.
口对口吹气法
B.
仰卧压胸工人呼吸法
C.
俯卧位压背式人工呼吸
D.
器械辅助呼吸法
【单选题】人工呼吸的方法不正确的是( )。
A.
口对口吹气法
B.
仰卧压胸人工呼吸法
C.
俯卧位压背式人工呼吸法
D.
器械辅助呼吸法
【多选题】人工呼吸的方法包括()。
A.
口对口人工呼吸
B.
仰卧压胸人工呼吸
C.
俯卧压背人工呼吸
【单选题】人工呼吸的方法不正确的是( )
A.
口对口吹气法
B.
仰卧压胸工人呼吸法
C.
俯卧位压背式人工呼吸法
D.
器械辅助呼吸法
【单选题】–There will be more plants and animals. --I _______.We can’t live without them.
A.
agree
B.
disagree
C.
think
D.
do
【简答题】—Do you mind if I watch the live broadcast of the 15th anniversary of Hong Kong’s return to our motherland? —Yes, ____. The baby is sleeping. A.you could B.go ahead C.I do D.my pleasure
【简答题】How far is it from here to the railway station? A) Yes, I live here. B) Yes, it's the railway station. C) No, it's not very far. D) 20 minutes'walk.
【单选题】I must have been a great _____ to my parents in those hard days, for I never failed to live up to their expectations. [     ]
A.
achievement
B.
comfort
C.
disappointment
D.
support
【简答题】阅读下面的短文并回答后面的问题。 Hi, I'm Frank. I live in China. I like school. I go to school in the morning. In the afternoon, I like playing on the computer. In the evening, I like watching TV. I'm very happy. 1. ...
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