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【简答题】
He hardly had anything to eat, ____________ he?
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【判断题】生父母送养子女,须双方共同送养。
A.
正确
B.
错误
【单选题】幼儿乳牙因 薄, 松脆,易发生龋齿。 ( )
A.
牙本质;牙釉质
B.
牙骨质;牙釉质
C.
牙釉质;牙本质
D.
牙釉质;牙骨质
【单选题】I don't know if Mr. Wang ______ on a field trip. If he ______on a field trip tomorrow. [     ]
A.
goes; will go
B.
will go; goes
C.
will go; will go
D.
goes; goes
【单选题】幼儿乳牙因( )薄,( )松脆,易发生龋齿。
A.
牙本质,牙轴质
B.
牙骨质,牙轴质
C.
牙轴质,牙本质
D.
牙轴质,牙骨质
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip was a complete disappointment.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip has helped him meet many interesting people.
【判断题】若某商品的需求价格弹性Ed =0.6,卖者提高价格肯定增加销售收入。
A.
正确
B.
错误
【单选题】幼儿乳牙因( ),易发生龋齿。
A.
牙釉质较薄,牙本质松脆
B.
牙本质较薄,牙釉质坚硬
C.
牙本质较厚,牙釉质坚硬
D.
牙本质较厚,牙釉质脆软
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip helped him meet many interesting people.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip was a complete disappointment.
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip was a complete disappointment.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip helped him meet many interesting people.
【单选题】--- The Greens have gone to Yangzhou for a trip, haven’t they ? ---____ , and they will return tomorrow afternoon.
A.
Yes, they have
B.
No, they haven’t
C.
Yes, they haven’t
D.
No, they have
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