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【单选题】
作为生物圈中的普通一员,人类新生命的诞生是通过生殖系统完成的。下列关于人类生殖和发育的叙述中,正确的是 1男性与女性生殖器官的差异称为第一性征 2男性的睾丸能够产生精子和分泌雄性激素 3女性的子宫是孕育胎儿和发生月经的地方 4母亲分娩过程的结束标志着新生命的诞生A.
①②③
B.
①②④
C.
①③④
D.
②③④
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【简答题】时间继电器的延时方式有两种,即___和 ___
【单选题】A: Have you heard that all flights have been cancelled because of the weather? B: ______.
A.
No, I didn't hear that. I've been in a meeting all day.
B.
0h,my goodness! Are you hurt?
C.
Yes, what a pity! But I'm glad you could stay.
D.
Damn the weather! I wish I could fly.
【单选题】— Have you heard that Susan has been appointed Director of the Engineering Department? — After working so hard for so many years, ____. [ ]
A.
she surely welcomes it
B.
she certainly deserves it
C.
she is welcomed to it
D.
it' s good news
【单选题】Have you heard that Tom broke his leg again?
A.
Oh, I'm sorry to hear that.
B.
Sorry, I don't know.
C.
Ok, thanks.
D.
What's up?
【单选题】—Have you heard that 13 Chinese sailors were killed in Thailand on Oct 5 ? —Yes , news came as shock to me .
A.
the ; a
B.
the ; the
C.
a ; a
D.
a ; the
【单选题】－Have you heard that China has problems Diaoyu Island? －Yes, but I think China will have no difficulty the problem.
A.
in ; to solve
B.
with ; to solve
C.
with ; solving
D.
in ; solving
【单选题】听力原文：M: Have you heard that in another few years you may be able to buy a car that changes colors every day to match the outfit you are wearing? W: Oh, please be serious! I suppose they will change sh...
A.
She is impressed.
B.
She is doubtful.
C.
She is shocked.
D.
She is surprised.
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