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【判断题】
重合断面的轮廓线用细实线绘制,当视图的轮廓线与重合断面的轮廓线重合时,视图中的轮廓线不必画出。A.
正确
B.
错误
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举一反三
【单选题】— Tom hasn't turned up yet. He might have got lost. — No, he ________. His car has got a GPS. [ ]
A.
must not have got lost
B.
wouldn't have got lost
C.
can't have got lost
D.
shouldn't h ave got lost
【单选题】Tom searched carefully in the room _____ he might discover exactly what he needed.
A.
in that
B.
in order that
C.
in case
D.
even though
【单选题】He ____ the truth. Otherwise he might have known it was Tom who had taken his place.
A.
should have been told
B.
shouldn't have been told
C.
couldn't have been told
D.
must have been told
【简答题】碳酸氢钠俗名( ),是一种细小的白色( ),受热会分解产生( )气体。
【单选题】Eagerly and anxiously Tom Sawyer pressed forward by the light of the pocket electric lamps. He was obsessed by two thoughts-what he might find and the necessity for aiding in the rescue of the rivals.
A.
driven
B.
haunted
C.
affected
D.
disturbed
【单选题】_____ he might, Tom couldn’t get out of the difficulty.
A.
Try as
B.
Tried as
C.
Though try
D.
As try
【单选题】[问题10] 有关类Demo,哪句描述是正确的? public class Demo extends Base{ private int count; public Demo(){ System.out.println("A Demo object has beencreated"); } protected void addOne() {count++; } } (难度系数:2)
A.
当创建一个Demo类的实例对象时，count的值为0
B.
当创建一个Demo类的实例对象时，count的值是不确定的
C.
超类对象中可以包含改变count 值的方法
D.
Demo的子类对象可以访问count
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