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【单选题】
细胞周期运行的原动力是A.
A . 周期性基因表达；
B.
周期性蛋白质磷酸化；
C.
生长因子；
D.
细胞周期检查点；
E.
周期性蛋白质降解
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【简答题】We sat outside in the ____________ sunshine, breathing the fresh country air. (brilliant)
【简答题】We sat outside in the ________(灿烂的) sunshine.
【简答题】It was pouring outside. We all stood there 16 , some patiently, others annoyed 17 nature messed up their hurried day. I got lost in the sound and sight of the heavens 18 away the dirt and dust of the ...
【单选题】Peter sat on the train seat, with his eyes ____ on the fields outside the window.
A.
fixing
B.
fixed
C.
to fix
D.
having fixed
【简答题】What did the traveler do when the people went outside? He sat down beside the fire and ______.
【单选题】I sat by the window and enjoyed the outside. [ ]
A.
trips
B.
sights
C.
findings
D.
lyrics
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