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Task 3 Rewrite the followingsentences , emphasizing the main idea in each: 1. Social position, reputation, even life itself,and friends, were no longer interesting to him after he went bankrupt. 2. He decided to take the job, and it was somethingunexpected. 3. China will not be the first to use nuclearweapons under any circumstances. 4. Yang alone can do the work, and there are twentystudents in the class. 5. China has changed a great deal as a result ofreform and opening-up policy during the past 30 years. 6. She was the first Chinese woman who had won agold medal for figure skating in an international contest, according tonewspaper reports. 7. An attempt was made by Robert to do all thethings that the sailor members of the crew usually did while serving as a cabinboy on the ship. 8. Mrs. Jones, the famous writer, was among hisneighbors. 9. The students were patiently helped by theirteachers and good progress was made by them. 10. There are few mistakes in the language of thecomposition, but it is not very good, because the content is not interesting.
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举一反三
【单选题】关于下肢丹毒临床表现的描述,正确的是
A.
常累及双侧肢体
B.
界限清楚
C.
局部多呈紫红色
D.
局部硬肿
E.
在中央部的表面有脓栓
【单选题】目前我国使用的电视制式的帧速率为( )
A.
24帧/秒
B.
25帧/秒
C.
29帧/秒
D.
12帧/秒
【判断题】形成万物的“水、金、火、本”不可能构成永恒不空的实体,这就是所说的“四大皆空。
A.
正确
B.
错误
【多选题】关于胡克定律的下列说法,正确的是( )
A.
在弹性限度内,拉力相同、伸长也相同的弹簧,它们的劲度相同
B.
劲度相同的弹簧,弹簧的伸长相同
C.
知道弹簧的劲度,就可以算出任何拉力下的弹簧伸长
D.
劲度和拉力、伸长没有关系,它只决定于弹簧的材料、长度、弹簧丝的粗细
【单选题】钢筋常用的焊接方法中,广泛应用于钢筋纵向连接及预应力钢筋与螺丝端杆的焊接 是( )。
A.
闪光对焊
B.
电渣压力焊
C.
电阻点焊
D.
埋弧压力焊
【判断题】Q-400型电阻钎焊机常用于冰箱冷凝管与蒸发管的连接。
A.
正确
B.
错误
【单选题】目前我国使用的电视制式的帧速率为
A.
24 帧 / 秒
B.
29 帧 / 秒
C.
25 帧 / 秒
D.
12 帧 / 秒
【单选题】电阻对焊常用于( )的焊接。
A.
带蒙皮的骨架结构(如汽车驾驶室)等
B.
要求气密的薄壁容器
C.
受力要求不高的对接件
D.
重要的受力对接件
【单选题】常用的钢筋焊接方法中,适用于现浇钢筋混凝土结构中竖向或斜向钢筋连接的方法是( )。
A.
电渣压力焊
B.
电弧焊
C.
电阻点焊
D.
埋弧压力焊
【单选题】电阻对焊常用于()的焊接。 答案 C
A.
带蒙皮的骨架结构(如汽车驾驶室)等
B.
要求气密的薄壁容器
C.
技术要求不高的对接件
D.
重要的受力对接件
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