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【单选题】
有如下四个结论 <1>有两边及一角对应相等的两个三角形全等； <2>菱形既是轴对称图形、又是中心对称图形； <3>平分弦的直径垂直于弦，且平分弦所对的两条弧； <4>两圆的公切线最多有4条 其中正确的结论的个数是 [ ]A.
1个
B.
2个
C.
3个
D.
4个
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【简答题】出入院护理与病区环境练习题.doc
【单选题】Malaria, it is true, has been practically ______ in thirteen countries, including the United States, and is under attack in many others.
A.
wiped out
B.
died out
C.
put out
D.
kept out
【简答题】What is the number of its retail stores in thir countries?
【单选题】It is said that thirteen is ________ unlucky number in many Western countries.
A.
a
B.
an
C.
the
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