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【单选题】
关于无丝分裂，下列说法不正确的是（）A.
无丝分裂是真核细胞增殖方式之一
B.
无丝分裂不进行DNA复制
C.
分裂过程无染色体形态变化
D.
蛙的红细胞通过无丝分裂增殖
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反馈参考答案：
举一反三
【单选题】Air at 1 atm and 10 °C flows across a bank of tubes 15 rows high and 5 rows deep at a velocity of 7m/s measured at a point in the flow before the air enters the tube bank. The surfaces of the tubes ar...
A.
146000
B.
1.78E-5
C.
1.416E-5
D.
1.506E-5
E.
1.94E-5
F.
1.461E-5
【单选题】Air at 1 atm and 10 °C flows across a bank of tubes 15 rows high and 5 rows deep at a velocity of 7m/s measured at a point in the flow before the air enters the tube bank. The surfaces of the tubes ar...
A.
36509
B.
12170
C.
18255
D.
8119
【单选题】Air at 1 atm and 10 °C flows across a bank of tubes 15 rows high and 5 rows deep at a velocity of 7m/s measured at a point in the flow before the air enters the tube bank. The surfaces of the tubes ar...
A.
7
B.
21
C.
10.5
D.
4.666666666666667
【简答题】室内环境,包括 、 以及楼道、走廊等。
【单选题】Air at 1 atm and 10 °C flows across a bank of tubes 15 rows high and 5 rows deep at a velocity of 7m/s measured at a point in the flow before the air enters the tube bank. The surfaces of the tubes ar...
A.
0.7
B.
0.928
C.
0.978
D.
0.994
【单选题】光阑和目镜 用显微镜观察细胞时,应选择下列哪种目镜和物镜的组合在视野内所看到的细胞数目最多( )
A.
目镜 10 ×，物镜 4 ×
B.
目镜 10 ×，物镜 10 ×
C.
目镜 10 ×，物镜 20 ×
D.
目镜 10 ×，物镜 40 ×
E.
目镜 15 ×，物镜 40 ×
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