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【判断题】
发元音时,声带一定震动;发辅音时,声带一定不能震动。
A.
正确
B.
错误
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【简答题】连词成句(注意标点符号和大小写)。 1. do   I   my   too   homework 2. English   My   is   teacher   tall 3. Can   play   you   now   chess 4. favourite   is   What   your   food 5. Is   clean   there   a   river
【单选题】关于电子化采购优点的说法,错误的是()
A.
提高采购效率,缩短了采购周期
B.
节约大量的采购成本
C.
优化采购流程
D.
增加安全库存
【简答题】仿照例子写句子。 例: I do my homework every day. I did my homework yesterday. 1. I have a gift for you. _______________________________________________________________________ 2. He goes to the gym to play pin...
【简答题】词组互译。 1. 属于 2. 我最喜爱的作家 3. 参加音乐会 4. 弹吉他 5. 对他来说太小 ____ 6.  do one's homework 7.  during the concert 8.  have a math test 9. make up 30% 10.  be anxious about____ __________
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【简答题】句型转换。 1. They do their homework every day. (用now改写句子) They their homework now. 2. Tom is looking at a picture. (改为一般疑问句并作出肯定回答) - Tom at a picture? - , . 3. We read English in the morning every day. (...
【单选题】一质量为0.01kg的物体作简谐振动,其振幅为0.24m,周期为4.0s,当t=0时位移为0.24m,则该物体从初位移运动到x=-0.12m处所需的最短时间为:
A.
0.67s
B.
1.33s
C.
1.67s
D.
2.67s
【单选题】I want____ homework now.
A.
doing
B.
to do
C.
to do my
D.
do my
【单选题】They ___ at six o'clock in the evening.[ ]A. do homeworksB. do their homework C. does his homework
A.
1.They ___ at six o'clock in the evening. [     ] A. do homeworks
B.
do their homework
C.
does his homework
D.
do their homeworks
【单选题】68现在船用制冷剂以R22代替R12作制冷剂的主要理由是 。
A.
不引起“温室效应”
B.
不会产生“冰塞”
C.
压缩机不发生“奔油”
D.
对大气臭氧层破坏作用轻微
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