小儿体液免疫特点中,下述哪项是错误的是
A.免疫球蛋白包括IgA,IgG,IgM,IgD及IgE五类
B.IgG有四个亚类
C.IgA含量增高揭示有宫内感染可能性
D.免疫球蛋白是巨噬细胞产物
E.小儿体液免疫的发育随年龄增长逐步完善
第1题
I am ________________your early coming.
A、looking forward to
B、 looking forward
C、 look forward to
第2题
I look forward to ______ for this at your earliest convenience.
A.having your approval
B.approved by you
C.get your answer
D.know your opinion
第3题
A.I
B.look forward to
C.receive
D.your reply
第4题
We are look forward to your favourable reply .()
第5题
We look forward () your reply.
A、with
B、to
C、of
第6题
I look forward to _______from you.
A.heard
B.hearing
C.hears
D.hear
第8题
We look forward ______ receiving your prompt reply and ______ you soon.
A.to, meeting B.to, meet C.to, met D.meeting
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