高校毕业生入伍服义务兵役年限()
A.一年
B.两年
C.三年
D.四年
参考答案:B
29. As we all know, the 2012 Olympic Games ______ in London, which is an ancient city.
A.are to hold
B.will hold
C.are to be held
D.are held
流行性腮腺炎的并发症有()
A.睾丸炎或卵巢炎
B.脑膜炎或脑脊髓膜炎
C.胰腺炎
D.心肌炎
E.乳腺炎