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【判断题】
读者可以利用图书馆主页上的“随书光盘数据库”下载随书光盘。A.
正确
B.
错误
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举一反三
【单选题】已 知 某 正 弦 交 流 电 压 的 周 期 为 10 ms ,有 效 值 为 220 V ,在 t = 0 时 正 处 于 由 正 值 过 渡 为 负 值 的 零 值,则 其 表 达 式 可 写 作 ( ) 。
A.
(a) u = 380sin(100 t +180 ° ) V
B.
(b) u = -311sin200 t p V
C.
(c) u = 220sin(628 t +180 ° ) V
【简答题】关于土地确权与土地登记，下列选项中说法正确的是（ ）。
【单选题】Choose the correct sentence:
A.
Baltar loves to dance.
B.
Baltar loves to dancing.
C.
Baltar love to dance.
D.
Baltar love to dancing.
【单选题】Choose the correct sentence:
A.
How I can help?
B.
How I can help you?
C.
What can I help you?
D.
How can I help you?
【单选题】已知某正弦交流电压的周期为10ms，有效值220V，在t=0时，正处在由正值过渡为负值的零值，则其表达式可写作：
A.
u=380sin(100t+180°)(V)
B.
u=-31lsin200πt(V)
C.
u=220sin(628t+180°)(V)
D.
u=220sin(100t+180°)(V)
【单选题】choose the correct sentence
A.
You think you are funny, don ’ t you?
B.
You think you are funny, do you?
C.
You think you are funny, aren ’ t you?
D.
You think you are funny, are you?
【单选题】Choose the complete sentence.( )
A.
Then I attended Morris Junior High. A junior high that was a bad experience.
B.
The scene was filled with beauty. Such as the sun sending its brilliant rays to the earth and the leaves of various shades of red, yellow, and brown moving slowly in the wind.
C.
He talked for fifty minutes without taking his eyes off his notes. Like other teachers in that department, he did not encourage students' questions.
D.
Within each group, a wide range of features to choose from. It was difficult to distinguish between them.
【简答题】关于土地所有权的内容，下列选项中说法正确的是（ ）。
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