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【单选题】
亚麻油酸是淡黄色的透明液体，在医疗上可用于治疗高血脂和动脉硬化，其结构CH 3 (CH 2 ) 4 CH=CHCH 2 CH=CH(CH 2 ) 7 COOH，下列说法中正确的是A.
亚麻油酸是一种植物油
B.
等物质的量的两份亚麻油酸分别和Na、H 2 反应，消耗二者的物质的量之比为1∶1
C.
亚麻油酸可以发生氧化、加成、水解等反应
D.
亚麻油酸能使溴的CCl 4 溶液褪色
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【单选题】Luckily , we'd brought a map without we would have lost our way.
A.
it
B.
that
C.
this
D.
which
【简答题】基本逻辑门电路有“与”门，“或”门，和______门，利用此三种基本逻辑门电路的不同组合，可以构成各种复杂的逻辑门电路。
【单选题】What was Peter's job?
A.
A radio announcer.
B.
A bank employee.
C.
A car mechanic.
D.
A movie actor.
【简答题】Luckily, we'd brought a road map without ______ we would have lost our way． A．he B．this C．who D．which
【单选题】Luckily,we'd brought a broad map without __we could have lost our way .
A.
it
B.
that
C.
this
D.
which
【简答题】With long brown hair, deep blue eyes, a tall and thin figure(身躯) Brad Pitt seems to be a born actor .He made his first appearance in a film in 1990.Though he was in the film for only 14 minutes, peopl...
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【单选题】Luckily , we'd brought a map without we would have lost our way.
A.
it
B.
that
C.
this
D.
which
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