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【单选题】
病后初愈患者适宜的运动方法是
A.
跑步
B.
打网球
C.
散步
D.
E.
游泳
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举一反三
【单选题】He is to lift heavy things.
A.
strong enough       
B.
enough strong           
C.
weak strong
【单选题】The main reason(s) for an exporter to consistently offer quotes in the importer’s currency is that it makes it easier for the importer ___.
A.
to determine what its actual costs will be
B.
to avoid currency fluctuation risks
C.
to be able to use its own bank
D.
All of the above
【简答题】My offer was based on (1)_______ profit, not on wild speculations. We have (2)_______ recently, most of which are below 100 U.S. dollars. Moreover, We've kept the price close to the costs of (3)______...
【单选题】The word rentable in paragraph 4 is closest in meaning to
A.
strong
B.
beautiful
C.
large
D.
desirable
【简答题】American technology company SpaceX says it ____1____ as many as ______2_____ . SpaceX is working with U.S.-based Space Adventures Inc. to offer the space flights, the two companies recently announced....
【简答题】完成句子。 1.They  __________________________ (确信) that she will win. (sure). 2.She __________________________ (擅长跳高)(good). 3.I’m sorry __________________________ (弄丢了你的书)(lose). 4.Would you mind_________...
【单选题】She goes running ______.( )
A.
daily
B.
once in a while
C.
three times a week
【单选题】He keeps all his documents in a _______ box. [     ]
A.
 strong, black, metal
B.
 metal, strong, black
C.
 strong, metal, black
D.
 black, strong, metal
【判断题】车削加工时当其它切削条件不变,进给量增加会使表面变得更粗糙。
A.
正确
B.
错误
【简答题】平面四杆机构中 , 若各杆长度按顺序分别为 a=40mm,b=90mm,c=80mm,d=100mm, 当以长度 a 做机架时该四杆机构为 ______ 机构。
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