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【单选题】
四类常用酸型防腐剂中,我国目前普遍采用的下列当中的哪一种?A.
苯甲酸及其盐
B.
山梨酸及其盐
C.
丙酸及其盐
D.
脱氢醋酸
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反馈参考答案：
举一反三
【单选题】What did witnesses see the two men doing?
A.
They left the lorry together.
B.
They left the lorry without hoods.
C.
They run back to the lorry separately.
D.
They run back to the lorry without hoods.
【单选题】Witnesses saw the two men ______.
A.
leave the lorry together
B.
leave the lorry without hoods
C.
run back to the lorry separately
D.
run back to the lorry without hoods
【单选题】Two witnesses ( )against her and one in her favour.
A.
testified
B.
verified
C.
justified
D.
certified
【单选题】良好的竞争能激发我们的上进心和创造力,不正当的竞争会阻碍我们的成长和进步。下列属于不正当竞争的有 1为了超过别人,在考场上作弊 2在篮球比赛中单打独斗,过分突出自己的能力 3在竞争中有良好的竞争激励机制和团结互助精神 4害怕别人超过自己,偷拿他人的学习资料,使他人无法学习 [ ] A. 124 B. 123 C. 234 D. 134
A.
①②④
B.
①②③
C.
②③④
D.
①③④
【单选题】The two witnesses who saw the shootings were able to ______ who hard fired first.
A.
encounter
B.
highlight
C.
testify
D.
identify
【单选题】The attorney tried to ___ the testimony of the two witnesses.
A.
contradict
B.
correspond
C.
corporate
D.
correlate
【单选题】The two witnesses provided abundant evidence in favour of the accused.
A.
redundant
B.
plentiful
C.
existent
D.
competent
【单选题】Witnesses saw the two men______.
A.
leave the lorry together
B.
leave the lorry with hoods
C.
run back to the lorry separately
D.
run back to the lorry without hoods
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