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【判断题】
为了清楚地表达机构的结构组成,机构运动简图应表示出构件的形状。A.
正确
B.
错误
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【简答题】There were so many people at the beach. It was hard to walk through the ________________ .2. The ________________ asked customers in the airport to take different flights.3. Ana's favorite activity is...
【简答题】看图，选择相应的句子。 ( ) 1. A. Look at my duck. B. Look at my dog. ( ) 2. A. The squirrel is lovely. B. The rabbit is lovely. ( ) 3. A. This is a bird. B. This is a bear. ( ) 4. A. The bear is ...
【单选题】-Look at the lovely dog. Guess_______ at birth. -I think he might be 100 grams.
A.
what could he do
B.
what his weight was
C.
what was his weight
D.
what he could do
【单选题】下列关于表面组装组件清洗描述正确的是( )。
A.
水清洗是指不添加其他化学物质的清洗方法。
B.
表面组装组件的清洗只涉及到化学方法。
C.
有机溶剂清洗对表面组装组件包括润湿、溶解、乳化等作用。
D.
免清洗要求无需采用免清洗助焊剂和焊锡膏。
【简答题】This is Betty’s bedroom. Please come in and have a look at the pictures in the room. Let’s look at the one on the desk first(首先), please. It’s small but very good. It’s a photo of a man, Bob Brown, an...
【单选题】Susan wanted an evening job that would allow her to her lovely daughter during the day.
A.
look at
B.
look after
C.
look around
D.
look out
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