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【单选题】
如图所示的插头,中间有一圆,手指插入圆,轻轻一用能将其从插座上拔,下,下列对该插头评价不恰当的是( )A.
圆越好
B.
较普通插头成本高
C.
较普通插头制作难度大
D.
设计时要考虑安全问题
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举一反三
【单选题】It’s the protection for the trees really matters , how many trees are planted each year .
A.
what ; other than
B.
which ; or rather
C.
that ; rather than
D.
as ; more than
【单选题】由于当时所需大量柚木出自泰国、缅甸采集不易，船政自第十六号兵舰“威远”号开始采用铁、木作为造船材料，这种用料方式是我国造船工业上一次突破，所造船只历史称为什么船?
A.
钢壳船
B.
钢胁船
C.
钢甲船
D.
铁胁船
【单选题】It's the protection for trees that matters, _____ how many trees are planted. [ ]
A.
instead of
B.
rather than
C.
not only
D.
instead
【单选题】It’s the protection for the trees ______ really matters, ______ how many trees are planted each year.
A.
which; or rather
B.
as; more than
C.
what; other than
D.
that; rather than
【简答题】If the goods haven’t been actually loaded on board，however，at the shipper’s request，the carrier or his agent may issue a B/L in advance，which is（ ）．
【单选题】How many trees ___this year?
A.
are planted
B.
will plant
C.
have been planted
D.
planted.
【单选题】How did the state control education?
A.
By setting up certain standard and rules.
B.
By requesting the children to go to schools until they are of certain age.
C.
Either A or B.
D.
Both A and B.
【单选题】由于当时所需大量柚木出自泰国、缅甸采集不易，船政自第十六号兵舰“威运”号开始采用铁、木作为造船材料，这种用料方式是我国造船工业上一次突破，所造船只历史称为什么船？
A.
钢壳船
B.
钢胁船
C.
铁胁船
D.
钢甲船
【单选题】下列对于jsp内置对象reques的描述，错误的是
A.
request对象是对http请求的封装
B.
一个request对象在请求到达服务器后，服务器返回响应前有效
C.
通过request对象我们可以获取客户端传递给服务器的数据信息
D.
用户在访问web程序的多个页面时都使用的是同一个request对象
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