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【单选题】
在表达过程中不受时间限制的基因是A.
管家基因
B.
奢侈基因
C.
免疫球蛋白基因
D.
血红蛋白基因
E.
分泌蛋白基因
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皮皮学刷刷变学霸
举一反三
【单选题】This week marks the 10th anniversary of the Alar apple scare, in which many American consumers were driven into a panic following the release of a report by an environmental organization claiming that...
A.
scientists warned that apples were dangerous
B.
many school children became iii after eating apples
C.
it was reported that apples were harmful to health
D.
apples were discovered to have too much pesticide
【单选题】Which apple began the wisdom of human beings? ( )
A.
The apple of Adam and Eve
B.
The apple of Newton
C.
The apple Steve Jobs
【简答题】Tanya German very well.
【单选题】--You do a very good job in German translation! --Thanks. I ______ German in Zhejiang University for four years!
A.
was studying
B.
study
C.
studied
D.
had studied
【单选题】This week marks the 10th anniversary of the Alar apple scare, in which many American consumers were driven into a panic following the release of a report by an environmental organization claiming that...
A.
scientists warned that apples were dangerous
B.
many school children became ill after eating apples
C.
it was reported that apples were harmful to health
D.
apples were discovered to have too much pesticide
【单选题】用水平力 把物体压在竖直墙壁上静止不动,设物体受墙的压力为 ,摩擦力为 ,则当水平力 增大时,下列说法中正确的是:
A.
增大, 增大
B.
增大, 不变
C.
增大, 减小
D.
条件不足,不能确定
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