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【单选题】
含牙囊肿内所含牙齿几乎都是
A.
乳切牙
B.
乳尖牙
C.
乳磨牙
D.
多生牙
E.
恒牙
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参考答案:
举一反三
【多选题】凸轮机构的从动件按从动件端部形状不同可分为( ) 三种形式。
A.
尖顶从动件
B.
滚子从动件
C.
平底从动件
D.
圆底从动件
【简答题】We usually have three meals. We have breakfast, lunch and supper. We often have more time for lunch and supper, and we eat a big lunch or supper. But a good breakfast is very important (重要的). It’s eas...
【多选题】按凸轮的形状不同可分为( )三种形式。
A.
盘形凸轮
B.
移动凸轮
C.
圆柱凸轮
D.
弧形凸轮
【简答题】构成土壤有机质的主体是 ,占有机质的 。
【单选题】著名的“毛毛虫实验”表明,大多数人具有()思维定势。
A.
直线型
B.
书本型
C.
经验型
D.
从众型
【简答题】请在下课时把自己学习的过程截图上传
【单选题】—Your brother often disagrees with you, __________ he? —__________. We often have different opinions. [     ]
A.
does; Yes
B.
doesn’t; Yes
C.
does; No
D.
doesn’t; No
【单选题】We often have sports after class, and I like to play _____ basketball.
A.
a
B.
an
C.
the
D.
/
【单选题】We often have to stay up for our study though we to have enough sleep. [     ]
A.
told
B.
have told
C.
are told
D.
were told
【简答题】阅读理解。 We usually have three meals. We have breakfast, lunch and supper. We often have more time for lunch and supper, and we eat a big lunch or supper. But a good breakfast is very important (重要的). It...
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