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【单选题】
下列有关人体生命活动的调节描述错误的是（ ）A.
脑和脊髓组成人的中枢神经系统
B.
膝跳反射受大脑的控制
C.
教材中“望梅止渴”的例子属于人类特有的复杂反射
D.
人体的生命活动主要受到神经系统的调节，但也受到激素调节的影响
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【单选题】—May I speak to your manager Mr. Williams at five o’clock tonight? —I’m sorry. He ________ gone to a party long before then.
A.
had
B.
is
C.
will have
D.
has
【简答题】— May I have your________to leave a little earlier? — Certainly, but you should be back tomorrow by 9 o'clock. [ ] A . conclusion B. encouragement C. suggestion D. permission
【简答题】只承受弯矩的轴称为（）。只承受转矩而不承受弯矩的轴称为（）。
【简答题】—“May I speak to your manager Mr. Williams at five o’clock tonight?” —“I’m sorry. Mr. Williams ________ to a conference long before then.” A) will have gone B) had gone C) would have gone D) has gone
【单选题】---May I speak to your manager Mr.Willians at five o'clock tonight?' ---'I'm sorry, Mr.Williams _______ to a conference before then.'
A.
will have gone
B.
had gone
C.
would have gone
D.
has gone
【单选题】— “May I speak to your manager Mr. Williams at five o’clock tonight?” — “I’m sorry. Mr Williams ________ to a conference by then.”
A.
will have gone
B.
had gone
C.
would have gone
D.
has gone
【单选题】—May I speak to your manager at three o’clock tomorrow afternoon ?—I’m sorry, He to Shanghai by t
A.
29．—May I speak to your manager at three o’clock tomorrow afternoon ? —I’m sorry, He to Shanghai by then A．had flown
B.
could have flown
C.
will have flown
D.
has flown
【单选题】—— May I leave the office before 5 o’clock in the afternoon? —— No, I’m afraid you＿＿＿＿＿＿＿.
A.
needn’t
B.
shouldn’t
C.
mustn't
D.
won’t
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