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【简答题】
为什么涤纶采用熔融纺丝方法,而腈纶却用湿法纺丝?
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举一反三
【单选题】In 500 B.C., Chinese people fought about each of the following EXCEPT ____________.
A.
land
B.
money
C.
suffering
D.
power
【简答题】用熔断器和接触器组成的回路应装设带断相保护热继电器或用带接点的熔断器作为()保护。
【简答题】下图为我国南方某河流流域示意图。读图回答题。 小题1:下列对该河流的水文特征描述错误的是(   ) A.河流年径流量较大 B.河流的汛期较长,主要集中于夏季 C.冬季有结冰期,含沙量较小 D.河水以雨水补给为主 小题2:图中河流流域中上游重点发展了有色金属冶炼工业,其主要的区位优势是(   ) ①有色金属原料丰富    ②廉价水电    ③经济发达,基础好 ④科技发达    ⑤廉价水运 A.①②⑤...
【简答题】用熔断器和接触器组成的回路应装设带断相保护热继电器或用带接点的熔断器作______保护。
【单选题】In the video, two Chinese people fought for the bill, who sneak out first?
A.
the woman
B.
the man
C.
No one wanted to pay the bill.
【简答题】The Chinese fought hard for 8 years and _______(drive)the Japanese aggressors out of China.
【单选题】The two boys fought and fought until one ______.
A.
gave up    
B.
gave in       
C.
gave   
D.
gave off
【单选题】In the video, two Chinese people fought for the bill. who sneaked out first?
A.
the woman
B.
the man
C.
they didn’t pay for the bill.
【简答题】设 int a=2,b=3;float x=3.5,y=2.5; 则表达式(float)(a+b)/2+(int)x%(int)y的值为
【单选题】The American president who____the freedom    of slaves was shot to death. [     ]
A.
fought with
B.
fought for
C.
fought against
D.
fought back
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