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【单选题】
听力原文：M: I bought a used car for ＄ 900. W: You may get a new car ff you are willing to spend another ＄ 200. How much would a new car cost?A.
＄1,100.
B.
＄200.
C.
＄900.
D.
$700.00
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举一反三
【单选题】Which of the following statements is TRUE concerning the po column of the vmstat command？（）
A.
The sys is high when po is high.
B.
The po represents the number of page steals.
C.
The low values usually indicate insufficient paging space.
D.
The low values usually indicate sufficient memory for the load.
【简答题】某肾病患者,长期用药治疗,检查面部饱满,皮肤发红,伴痤疮,该患者属何种面
容A. 满月面容 B. 甲亢面容 C. 肾病面容 D. 急性病容
【单选题】Which of the following is the conjugate base of H 2 PO 4 - ? (下面哪个是H 2 PO 4 - 的共轭碱?)
A.
H 3 PO 4
B.
HPO 4 -
C.
HPO 4 2-
D.
PO 4 3-
E.
PO 4 2-
参考解析：
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