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【单选题】
某烷烃的分子式为C 5 H 12 ,其一元氯代物有一种, 则该烷烃的名称为A.
正
B.
异
C.
新
D.
不存在这种物质
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反馈参考答案：
举一反三
【单选题】Apple sells its new computer models at a high price because
A.
they have new features and functions.
B.
they are more sophisticated than other models.
C.
they have new accessories attached.
D.
it wants to accumulate funds for future research.
【单选题】“集装箱号”栏应填（ ）。
A.
M0FU0455437*3（3）
B.
M0FU0455437*3（6）
C.
M0FU0455437/40/718961
D.
M0FU0455437/40/××××
【单选题】The high psuse in fuel injecion system of the diesel engine is produced by the__
A.
injector pump
B.
fuel injector
C.
governor
D.
turbocharger
【多选题】以下哪些是属于玻璃包装材质的特点( )
A.
化学性能稳定、耐腐蚀、耐酸
B.
生产周期长、生产率低、口部密封比较困难
C.
导热性能差、 质量大、弹性和韧性差、属于易脆材料
D.
具有不渗透性、透明性能好、化学性能稳定
【单选题】Jet Li can ________. [ ]
A.
does kung fu
B.
Chinese kung fu
C.
do Chinese kung fu
D.
do China kung fu
【多选题】Zang Fu is classified into
A.
Zang organs
B.
Fu organs
C.
Extraordinary Fu organs
D.
Meridians and collaterals
【单选题】Every vent system outlet to atmosphere from a valve shall be located as high and at the furthest distance from a source of ignition as is practicable ______．
A.
low and at the shortest distance
B.
low and at the furthest distance
C.
high and at the shortest distance
D.
high and at the furthest distance
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