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【简答题】
已知实数 满足约束条件 （ 为常数），若目标函数 的最大值是 ，则实数 的值是____．
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【单选题】They want to buy a forty-foot sailing boat ______ they plan to sail around the world.
A.
that
B.
for which
C.
on which
D.
where
【简答题】A．Golden Gate is the name given to a bridge and a boat sailing under the bridge. B．Commuters prefer high-speed boats but tourists are attracted to more leisurely ones. C．People have to cross the Golde...
【单选题】Sailing boat is considered to be a luxury,________.
A.
quantity demanded tends to respond slightly to a change in price
B.
demand tends to be elastic.
C.
the law of demand often does not apply.
D.
All of the above are correct.
【简答题】AE填写表达式的方法是( )
【单选题】Sailing down the Yellow River,______.
A.
the boat hits a rock
B.
an accident had happened
C.
the boat hit a rock
D.
a terrible accident happened
【单选题】在评估过程中，由服务对象用口头或书面形式，包括填写问卷来表达对社会工作介入效果的看法。此种评估方法是（）。
A.
差别影响评分
B.
服务对象满意度测量
C.
任务完成情况的测量
D.
目标实现程度的测量
【简答题】Over a hundred years ago people in London were surprised to see a very unusual boat come sailing up the Thames River.The boat was eighty feet long flat-bottomed,with big wooden eyes on both sides in t...
【单选题】The Sydney Opera House is like a huge sailing boat with water ____ three sides.
A.
at
B.
of
C.
in
D.
on
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