皮皮学，免费搜题
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【单选题】
“眼睛是心灵的窗户．”如果不注意用眼卫生会造成近视，近视眼应佩戴什么镜加以矫正（ ）A.
凹透镜
B.
反光镜
C.
凸透镜
D.
平面镜
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】—We didn't see him at the lecture. —Neither did anybody else. He _______ it. [ ]
A.
can't have attended
B.
mustn't attend
C.
may not have attended
D.
couldn't attend
【简答题】制冷系统在正常运行工况条件下,冷媒水突然中断供应,应首先___。
【简答题】听下面五段对话，完成第1至5题。 1. When will the speakers get to the theater if they leave now? A. At 7:35 B. At 7:45. C. At 8:20. 2. Where are the speakers? A. At a department store. B. At an air port. C. At a rest...
【简答题】听下面5段材料，回答第1 至5 题。 1.What does the man want to buy? A. A suit. B. A shirt. C. A tie 2.Where does the conversation probably take place? A. In a doctor’s office. B. In a hotel. C. In a shoe shop. 3.When...
【简答题】听下面五段对话，完成第1至5题。 1.What are the speakers talking about? A. A jacket. B. A car. C. A man. 2. How does the man go to work now? A. By bus B. By car. C. On foot. 3. What will the speakers do next? A. Go o...
【单选题】Joe can’t attend the meeting, but I could go_______.
A.
too
B.
either
C.
neither
D.
instead
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