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【单选题】
回流扫气柴油机的主要优点是( )。A.
扫气效果好
B.
气口附近的气缸变形小
C.
结构简单，管理方便
D.
燃油消耗率低
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反馈参考答案：
举一反三
【单选题】— Do you believe there are aliens? — ___________.
A.
I’m not afraid
B.
It’s real cool
C.
I’m afraid not
【单选题】- Will you be able to come to the meeting? _____________
A.
I’m afraid not
B.
I’m sorry not
C.
I’m not afraid so
D.
I’m sorry that “no”
【单选题】-----What are you afraid ______? -----I’m afraid ______ dogs.
A.
/ ; /
B.
with; with
C.
of; of
D.
/ ; of
【简答题】You must be ill, I’m afraid, for you look f______.
【单选题】听力原文：W: Could you lend me a pen? Mine has just run out of ink. M: I'm afraid I don't have an extra one. Would a pencil do? What will probably the man do for the woman?
A.
He will lend her his extra pen.
B.
He will lend her his ball pen.
C.
He will offer her a pencil.
【单选题】听力原文：W: Could you lend me a pen? Mine has just run out of ink. M: I'm afraid I don't have an extra one. Would a pencil do? Q: How did the man respond to the woman's request? (13)
A.
He lent her his extra pen.
B.
He was afraid of losing his pen.
C.
He offered her a pencil.
D.
He said he didn't have any extra ink.
【单选题】If you associate with such people, I'm afraid you ______ serious trouble.
A.
are heading for
B.
are making
C.
are avoiding
D.
are creating
【单选题】you' re failed to do what you to and i'm afraid the teacher will blame you.
A.
will expect
B.
will be expected
C.
expected
D.
were expected
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