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【单选题】
医生将精子直接植入女性阴道的过程被称为________。A.
体外受精（ in vitro fertilization ）
B.
人工授精（ artificial insemination ）
C.
羊膜穿刺（ amniocentesis ）
D.
输卵管内移植（ intrafallopian transfer ）
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举一反三
【单选题】听力原文：M: Excuse me, can you tell me which bus I should take to the People's park? W: I'm afraid I can't. I've only been here for several days. Q: Why can't the woman give the man directions? (13)
A.
She is afraid.
B.
She has never taken the bus before.
C.
She is new here.
D.
She does not want to tell him.
【简答题】当我提及这个话题时,他总是保持沉默。
【单选题】听力原文：M: Excuse me, can you tell me which bus I should take to the People's park? W: I'm afraid I can't. I've only been here for several days. Q: Why can't the woman give the man directions? (8)
A.
She is afraid.
B.
She has never taken the bus before.
C.
She is new here.
D.
She does not want to tell him.
【单选题】—Excuse me, could you tell me which bus goes to the Fine Arts Museum? —（）
A.
No, I can’t.
B.
Yes, you’re right.
C.
I don’t know either.
D.
Sorry, I don’t know.
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