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【单选题】
人类第一次探月高潮,一共进行了多少次载人登月?A.
3.0
B.
4.0
C.
5.0
D.
6.0
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反馈参考答案：
举一反三
【单选题】The child has no understanding of problems, according ____ the doctor.
A.
for
B.
in
C.
on
D.
to
【单选题】甲持有一项投资组合A和B,已知A、B的投资比重分别为30%和70%,相应的预期收益率分别为15%和20%,则该项投资组合的预期收益率为
A.
21%
B.
18.5%
C.
30%
D.
10%
【单选题】According to a new study by a British university, learning ____ second language can lead to ____ increase in your brain power.
A.
a; the
B.
/ ; the
C.
a; an
D.
the; an
【单选题】According to the professor, how can newspapers attract readers to serious stories?
A.
By including photos that provide background information
B.
By making minor revisions to the content of the story
C.
By making the format more appealing to readers
D.
By gradually increasing the number of serious stories
【单选题】某一图像的宽度和高度都是60厘米,其分辨率为20像素/厘米,该图像的显示尺寸为 __________ 像素。
A.
1024 ×768
B.
1200 ×1200
C.
1440 ×1440
D.
60 ×20
【简答题】两个并联电阻,其中 R 1 =200Ω , R 2 =300Ω ,则并联等效电阻为 _______Ω 。
【简答题】简述封建社会学前家庭教育的内容。
相关题目：
【单选题】The child has no understanding of problems, according ____ the doctor.
A.
for
B.
in
C.
on
D.
to
参考解析：
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