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【单选题】
遗传物质均匀分布于整个细胞中的原核细胞是A.
支原体
B.
蓝藻
C.
细菌
D.
粘菌
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反馈参考答案：
举一反三
【单选题】Not until all the fish died in the river how serious the pollution was.
A.
did the villagers realize
B.
the villagers realize
C.
the villagers did realize
D.
didn't the villagers realize
【简答题】如果CaC 2 O 4 的K θ SP 为2.6×10 -9 ，要使每升含有0.02mol钙离子浓度的溶液生成沉淀，所需的草酸根离子浓度是（）mol.L -1 。
【单选题】Which of the following statements is true according to the passage?
A.
The writer believes that before long both men and women will be secretaries.
B.
The writer believes that before long men are better than machines.
C.
The writer believes that before long men will take over women's jobs as secretaries.
D.
The writer believes that before long women will operate most office machines.
【单选题】CaC 2 O 4 的 K sp = 2.6 ́ 10 -9 , 在含 0.020 mol·dm -3 Ca 2+ 的溶液中形成沉淀时 , 所需 草酸根 离子浓度至少应为 ( )
A.
1.1 ´ 10 -9 mol·dm -3
B.
1.3 ´ 10 -7 mol·dm -3
C.
2.2 ´ 10 -5 mol·dm -3
D.
2.2 ´ 10 -7 mol·dm -3
【判断题】5) Ogilvy believes that the advertising that sells best is advertising that builds brands.
A.
正确
B.
错误
【单选题】调用对话框函数可显示出一个对话框。该对话框函数的调用方式可为 。
A.
Do Function Messagebox(…)
B.
Mess(…)
C.
Message(…)
D.
Messageb(…)
【简答题】Hilton Hotels believes it won’t be long before it is possible to build a ________.
【单选题】He believes that she is right, _______?
A.
doesn’t he
B.
does he
C.
is she
D.
isn’t she
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