There _______ some bread and meat on the

题型:选择题

问题:

There _______ some bread and meat on the desk.

A. is
B. are
C. have
D. has
考点:therebe句型
题型:选择题

阐述物种一多度分布的三种假说。

题型:选择题

I have a friend. His name is Jack. ③He is healthy because(因为) he plays sports. He runs every day. He runs to his ___①____ in the morning and he runs ____②____ after school in the afternoon. He can run fast. He likes playing soccer, volleyball, tennis, basketball , ping-pong and more. He has three soccer balls, two volleyballs, six tennis rackets, four basketballs and many ping-pong balls. They are in his room. He plays sports with his friends every day. He likes many sports stars and he often watches them on TV. All my classmates say Jack is sporty (爱好体育)。

小题1:根据短文内容在①②处各填一词。

___________   ______________

小题2:划线单词them指___________ ___________

小题3:根据短文内容回答问题。Where are Jack’s volleyballs? __________________________________________________________________

小题4:把③译成汉语。

_________________________________________________________________

小题5:在文中找出文章的标题。

__________________________________________________________________

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标杆控制

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在电子调速器中,未经特性补偿的调速器输出特性应为()。

A.二次方曲线

B.三次方曲线

C.直线

D.三段折线

题型:选择题

()是指北宋末叶至明初时期在中国南方流行的戏曲艺术。

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