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【单选题】
在零件的分类中,主要由一些同轴回转体构成,但他的轴向长度远小于其直径尺寸,常见的如轴承盖、齿轮等,是()零件。
A.
轴套类
B.
C.
叉架类
D.
箱体类
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【简答题】Itis implied in the passage that western people at the time [A] were indifferent to the deaths ofthe civilians in an enemy country. [B] were sympathetic with the deaths ofthe Japanese civilians. [C] w...
【单选题】下列加点字的读音全都正确的一项( )
A.
游说(shuì) 租 赁 (lìn) 菲薄(fēi) 装载(zǎi)
B.
洗涤(dí) 骨 髓 (suí) 漫溯(sù) 箕踞(jū)
C.
惩创(chěnɡ) 浸渍(zì) 拊 心(fù) 鲰 生(zōu)
D.
寥落(liáo) 桀骜(ào) 攒射(cuán) 参乘(shènɡ)
【单选题】下列加点字的读音全都正确的一项是
A.
.消遣(qiǎn)         教诲( huǐ )         荒诞不经(dàn)
B.
.贮藏(zhù)          沉吟(yín)         跬步千里(guǐ)
C.
.猝然(cù)           胆怯(qiè)         不速之客(sù)
D.
.呜咽(yàn)          分歧(qí)          蓊蓊郁郁(wěng)
【简答题】设 都是由方程 所确定的隐函数,求
【单选题】集成稳压器有( )三个引出端,所以称为三端集成稳压器。
A.
基极、集电极和发射极
B.
输出端、同相端和反相端
C.
输入端、输出端和接地端
D.
输入端、输出端和公共端
【单选题】The reason for the disappearance of glaciers in the dry valley is ______.
A.
that they've desended to the Ross sea
B.
that they've been blasted out by vicious winds
C.
the global warming trend ever since the ice age
D.
that they've been changed into gorges, sand dunes and boulders
【简答题】It appears that the Poplar to Stratford section of the DLR route wasoriginally developed to
【单选题】下列加点字的读音全都正确的一项( )
A.
A.臣以险衅(xìn)    夙遭闵(mín)凶    悯(mǐn)臣孤弱    过蒙拔擢(dí)
B.
终鲜(xiān)兄弟  门衰祚(zuò)薄  茕茕(yíng)孑立   责臣逋(bū)慢
C.
常在床蓐(rù)  除臣洗(xiǎn)马  期(jī)功强(qiǎng)近 宠命优渥(wò)
D.
猥(wēi)以微贱  非臣陨(yǔn)首  气息奄奄(ān)    日薄(bó)西山
【单选题】The passage suggests that the speed at which communication through pheromones occurs is dependent on how quickly they
A.
lose their effectiveness
B.
evaporate in the air
C.
travel through the air
D.
are produced by the body
【简答题】三端集成稳压器有 端、 端和 端三个端子。
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