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：初中英語 來源： 題型：單選題
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：初中英語 來源： 題型：單選題
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：初中英語 來源： 題型：單選題
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：初中英語 來源： 題型：單選題
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：初中英語 來源： 題型：單選題
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：初中英語 來源： 題型：單選題
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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