This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
A.a | B.an | C.the | D./ |
科目:初中英语 来源: 题型:单选题
Red and white are good match, as powerful red balances calm white.
A.a, /, / | B./, a, a | C.the, a, / | D.a, the, the |
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科目:初中英语 来源: 题型:单选题
Lucy is __________ honest girl. And she is __________ student in our class
A.a, the | B.an, a | C.the, a | D.a, a |
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科目:初中英语 来源: 题型:单选题
The boys don’t know ___________.
A.how do they swim | B.how swim |
C.they how swim | D.how to swim |
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科目:初中英语 来源: 题型:单选题
I don’t know with this problem.It’s too hard.
A.which to do | B.when to do | C.what to deal | D.how to deal |
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科目:初中英语 来源: 题型:单选题
My cousin Andy can play piano very well, but he isn’t god at playing basketball.
A.the; the | B./; the | C.the; / | D./; / |
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科目:初中英语 来源: 题型:单选题
man in a black hat is my PE teacher. He often plays football with us.
A.A; the | B.The; a | C.The; / | D.A; / |
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