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【简答题】
已知函数 , 是 的导函数． （Ⅰ）求函数 的最大值和相应的 值； （Ⅱ）若 ，求 的值．
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举一反三
【单选题】Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow.
A.
needn't have driven；through
B.
can't have driven；across
C.
mustn't have driven；through
D.
shouldn't have driven；cross
【简答题】听力原文：F: I got home late from the meeting and I was really tired, but I lay awake all night. I guess I should have thought more carefully about wearing the fight sort of things, gut I was a bit disorga...
【简答题】下列属于的不恰当言谈举止的一项是()。A. 可以了解对方的婚姻状况 B. 看人不要死盯着 C. 交谈声音要适度 D. 不谈与对方不合适的话题
【单选题】The comment from a reader online “I don't know how much more a rational person watching and listening to this fool can take. If anything - ever - called for application of the 25 Amendment, this meeti...
A.
positive
B.
indifferent
C.
negative
D.
neutral
【单选题】Interchange (n.) means ______. —An international medical conference was established for the interchange of new ideas and approaches. —What made the meeting exciting was the interchange of ideas from d...
A.
interior
B.
exchange
C.
practical training
【单选题】The comment from a reader online “I don't know how much more a rational personwatching and listening to this fool can take.If anything - ever - called for application of the 25 Amendment,this meeting ...
A.
positive
B.
negative
C.
neutral
D.
indifferent
【简答题】The meeting was a n_______ affair.
【单选题】Just now you said you always got to work on _______ 8 o’clock train. But would _______ later train get you to work on time?
A.
a; a
B.
a; the
C.
the; the
D.
the; a
【单选题】The headmaster was unhappy about the _______ of so many teachers at the meeting.
A.
harsh adj. 刺耳的; 残酷的; 粗糙的; 严厉的，严格的;
B.
absence n. 缺席，缺勤; 缺乏，缺少，无;
C.
miracle n. 奇迹，圣迹，神迹;
D.
democracy n. 民主政治; 民主主义; 民主国家; 民众;
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