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【单选题】
发动机中工作情况最恶劣的零件是:A.
活塞
B.
活塞销
C.
连杆
D.
、检验活塞销的外圆表面常用：
E.
外经千分尺
F.
百分表
G.
游标卡尺
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举一反三
【简答题】Listen and write.(听录音，写单词) 1. Look at the _____. It's _____. 2. It's _____ bananas. It's _____. 3. -What are you _____? - I'm _____ my classmates. 4. -Is he _____ pictures? -No, he isn't. He's _____ ...
【单选题】关于稀缺性,下面哪个说法是正确的? ( )
A.
世界大多数人生活在贫困中
B.
世界上的资源最终将被人类消耗光
C.
相对而言，稀缺性的存在更因为资源有限
D.
经济学家的一种主观想法
【简答题】试比较代谢性酸中毒与呼吸性酸中毒时中枢神经系统功能障碍的表现和发生机制的异同。
【简答题】看图填空。 1. —Danny, what are these? —They _______. 2. Look at the _______. It's _______ today. 3. —This is a _______. —_______ name is Li Xiaopirig. 4. —What's this? —It's _________ . 5. Today is ______...
【简答题】试比较代酸与呼酸时中枢神经系统功能障碍的表现及发生机制的异同。
【简答题】句型转换。 1. However you look at it, it's going to cost a lot. (同义句) ____ _____ _____ you look at it, it's going to cost a lot. 2. He asked me to get on his car when I was walking on a lonely street. (同义...
【简答题】Look and write. （读句子，根据图片填空） 1. It's _______________. 2. It's sunny. It's ______________. 3. I have an air-conditioner. I feel very ______________.
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