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【简答题】
在铰链四杆机构中,能作整连续回转的连架杆称为 ,只能摆动的连架杆称为 ,与连架杆联接的构件称为 ,相对于上述构件静止不动的构件称为 。
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举一反三
【单选题】He ______ in Shanghai University for four years before he ______ Beijing.
A.
studied, had gone
B.
had studied, went
C.
has studied, goes
D.
had studied, had gone
【单选题】All the money he had was ______, so he had to make a living by begging. [ ]
A.
used up
B.
taken up
C.
stayed up
D.
brought up
【单选题】When he was asked why Arthur had not fought in the army, Jed replied, "That simple. He "was yellow." What did he mean?
A.
He was a coward; afraid to fight.
B.
He was sick to his stomach.
C.
He was Chinese.
D.
He had a jaundiced look.
【单选题】When Cartier reached the Gulf of St. Lawrence he hoped ______.
A.
he had got to the Far East
B.
it was a water way to the New World
C.
it was a water way to the East
D.
he had sailed into the Pacific
【简答题】作者认为过去的年的特点是怎样的?
【简答题】一、 解释下列词语 1、 拮据: 2、 斟酌: 3、 冠冕堂皇: 4、 迫在眉睫: 5、 命运多舛: 二、 通读全文,用课文原句回答问题: 1. 作者认为童年时,春节对于小孩子来说是一个怎样的节日? 2. 作者认为过去的年的特点是怎样的? 3. 作者是按什么顺序来写过去的年?又是从哪几个方面来写过去的年的?
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