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【单选题】
.设 满足约束条件 ,则 的最大值为 （ ）A.
5
B.
3
C.
7
D.
-8
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举一反三
【单选题】It is to teach a kid the way to solve problems than to tell him the solutionsdirectly.
A.
helpful
B.
the most helpful
C.
more helpful
D.
most helpful
【单选题】No one will dare to tell him the truth, in case that should vex him ______.
A.
all the much
B.
all the more
C.
all the way
D.
all the time
【单选题】The first thing we should do is to tell him the news.
A.
who
B.
which
C.
that
D.
whom
【简答题】A．Ask him for pity. B．Tell him the truth. C．Tell him a white lie. D．Ask others to help you.
【单选题】I should ______ him up to tell him the information.
A.
call
B.
calling
C.
called
D.
have called
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