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问题
单项选择题 A1型题
心包炎是指（）
A.心包的壁层的炎症
B.心包的脏层的炎症
C.心包的壁层和脏层浆膜的炎症
D.心肌的炎症
E.心内膜的炎症
答案
参考答案：
C
选择题
—When were you born?
—I was born _____.
A. in June three, 1993
B. on June the third, 1994
C. in June the third, 1993
D. on June the three, 1994
查看答案
选择题
在下列4个核反应方程中，x表示质子的是（ ）
A．
→
+x
B．
→
+x
C．
+
→
+x
D．
+
→
+x
查看答案
→
+x
→
+x
+
→
+
→
+x