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【单选题】
一般情况下,螺母宜用( )制造
A.
Q235-A
B.
08 钢
C.
60Mn 钢
D.
T8
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【判断题】细胞生物学与分子生物学相互渗透与交融是该学科总的发展趋势。
A.
正确
B.
错误
【单选题】据统计,我国现存姓氏有()个
A.
2万多
B.
5300多
C.
3500多
D.
5万
【单选题】His first novel was a failure,( )
A.
His second novel was either
B.
so was his second novel
C.
neither was his second novel
D.
so his second novel was
【单选题】据统计,我国现存姓氏有__________多个。
A.
1500
B.
2500
C.
3500
D.
4500
【单选题】病毒鸡胚培养接种,下列哪个部位是最常使用的( )
A.
卵黄囊
B.
静脉
C.
尿囊腔
D.
羊膜腔
【简答题】El antónimo de MINORÍA es___.
【单选题】在光反应阶段,水是
A.
原初电子供体
B.
最初电子供体
C.
最终电子受体
D.
原初电子受体
【单选题】______driving to work, Mr. Robins goes to his office by train every day.
A.
Without
B.
Rather than
C.
Instead of
D.
In spite of
【单选题】His first novel was a failure, _______..
A.
his second novel was either
B.
so his second novel was
C.
neither was his second novel
D.
so was his second novel
【判断题】高于冰点时,水分活度Aw与食品组成无关,仅与温度有关。( )
A.
正确
B.
错误
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