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【多选题】
《中华人民共和国道路交通》规定，任何单位和个人不得擅自（）交通信号灯、交通标志、交通标线。A.
设置
B.
移动
C.
占用
D.
损毁
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】海岛国家,如英国、日本等,也常用 _____ _____ 表示对外贸易。
【简答题】海岛国家,如英国、日本等,常用____表示对外贸易。
【多选题】钢轨核伤
A.
钢轨核伤,又称黑核或白核,多数发生在钢轨轨头内,是轨头横断面裂纹,表现了典型的疲劳特征,危害性极大。
B.
当核伤面积占轨头5%~10%,静力强度只有正常钢轨的16%~40%、
C.
当核伤面积占轨头10%~15%,疲劳强度下降90%以上、
D.
当核伤面积发展到轨头截面的20%~30%(相当于直径21~ 40mm )将发生断轨。
【单选题】– When did you ________ to do the work? - Two months ago, we are through 80% of it at the moment.
A.
set off
B.
set out
C.
set up
D.
set about
【简答题】Correct one verb in each sentence.(请直接把正确形式的动词写出来即可,不需划出错误的动词) We arrived the plane and after 20 minutes it took off. I love walking in the mountains and seeing at beautiful scenery. After the plane l...
【单选题】Only when the CIA Director David was forced to resignthat it‘s hard to keep our e-mail secret.
A.
we realized
B.
realized we
C.
did we realize
D.
we did realize
【简答题】Scientists are working hard to deve10p better aerials for mobile phones , a spokesman for Phikia Phones said today. ‘It really (16) users when they 10se the signal in the middle of a call' so we are d...
【单选题】当核伤面积发展到轨头截面的 ( ) ( 相当于直径 21 ~ 40 mm) 将发生断轨。
A.
、 5-10 ％
B.
、 10-15 ％
C.
、 15-20 ％
D.
、 20 ％～ 30 ％
【单选题】____from the 18 th floor when he saw the police coming near.
A.
Jump down the thief
B.
The thief jumped down
C.
Down the thief jumped
D.
Down jumped the thief
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