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【单选题】
钩舌内侧弯角处上、下部裂纹长度之和不超过( ) mm 时焊修。
A.
25
B.
30
C.
35
D.
40
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举一反三
【单选题】Her health has been _________ progressively for several months.
A.
declining
B.
choked
C.
streamlined
D.
discarded
【简答题】常用进样器为______及______
【单选题】Her health has ________ dramatically since she started on this new diet.
A.
improve
B.
improvement
C.
improved
D.
improver
【单选题】Her health has been _____ progressively for several months.
A.
suspecting
B.
declining
C.
discarding
D.
sharing
【单选题】Her health has been _________ progressively for several months.
A.
declining
B.
denying
C.
defeating
D.
disliking
【判断题】床上布件包括枕套、床单、被罩、褥垫、床罩、窗帘等。
A.
正确
B.
错误
【单选题】固氮菌和豆科植物根系的关系是()
A.
寄生
B.
偏利共生
C.
互利共生
D.
没关系
【单选题】Her health has been affected , and may ()altogether if the strain continues.
A.
break down
B.
break off
C.
break out
D.
break up
【判断题】进出口商品检验的常用方法可分为感官检验方法、抽样检验方法、化学检验方法、生物检验方法以及把上述检验方法原理仪器化的仪器分析方法。
A.
正确
B.
错误
【单选题】固氮菌和豆科植物的关系是( )
A.
寄生
B.
拟寄生
C.
互利共生
D.
偏利共生
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