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【单选题】
从机箱外部平行推入的设备是A.
硬盘
B.
光驱
C.
显卡
D.
内存
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举一反三
【单选题】听力原文：How many pages are in the book? (A) He's six years of age. (B) All the pages are white. (C) There are about three hundred pages. (36)
A.
B.
【单选题】How many countries are listed where the compulsory school age is 7 excluded The U.S. A?
A.
Five
B.
Four
C.
Three
D.
Two
【简答题】为防止水产品发生自溶和腐败,最有效的措施是低温保藏,包括
【单选题】I’m Jack green. Here is my business card.
A.
No, thanks.
B.
It’s very kind of you.
C.
Thank you. Here is mine
D.
You’re welcome.
【简答题】看一看，读一读，涂颜色。 1. I'm green and purple. 2. I'm red and green. 3. I'm green, yellow and red. 4. I'm orange. 5. I'm black. 6. I'm yellow.
【单选题】What was the average age of the runners at the beginning of the survey?
A.
50
B.
58
C.
68
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