题目内容

IgA缺乏常伴有哪类IgG亚类的缺陷

A. IGGL
B. IGG2
C. 1GG3
D. ISCA
E. 总ISG

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Jack was late because his car______halfway on the road.

A. broke down
B. broke away
C. broke through
D. broke out

We were really anxious about you. You______home without a word.

A. should leave
B. mustn"t leave
C. shouldn"t leave
D. shouldn"t have left

利用商业保险可以有效解决社会矛盾纠纷。这里主要是指责任保险的功能作用。()

I Aheard that you really Bhad a wonderful time Cat Johns birthday party, Dhadnt you?

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