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【多选题】
下列说法中正确的是 [ ]A.
同系物之间互为同分异构体
B.
两个相邻同系物的式量相差14
C.
所有的烷烃都一定互为同系物
D.
同系物具有相似的化学性质
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【单选题】Only after ____ to go to school. [ ]
A.
New China was founded; he was able
B.
was New China founded; was he able
C.
New China came into being; was he able
D.
New China founded; he was able
【单选题】When was the Wudang Mountain founded ?
A.
It's founded in the heyday of the Song Dynasty.
B.
It's founded in the heyday of the Tang Dynasty.
C.
It's founded in the heyday of the Ming Dynasty.
D.
It's founded in the heyday of the Yuan Dynasty.
【单选题】—When was PRC ______? —It was ______ on Oct. 1,1949. [ ]
A.
found; found
B.
founded; founded
C.
found; founded
D.
founded; found
【简答题】When was the Fraunhofer Society founded?
【单选题】Which is the first classification society founded in the world（）
A.
DNV founded in 1864
B.
CCS founded in 1956
C.
LR founded in 1760
D.
ABS founded in 1862
【简答题】防守时,不仅要选择合理的防守位置,而且要保持正确的防守姿势包括手臂、 与 ,做到人、球、 、区四位一体。
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