皮皮学，免费搜题
登录
搜题
【单选题】
在局部粘膜抗感染免疫中起重要作用的Ig是（ ）A.
IgG
B.
sIgA
C.
IgA
D.
IgE
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Directions: Fill in the blanks with the words and expressions froma list of choices given in a word bank following the passage. Each choiceshould be used only once. Maria is a failure as a n 1 . The R...
【简答题】经络学说中的“血海”，指的是
【单选题】The taller children should stand at the back _____ everyone can see.
A.
so that
B.
in order to
C.
so as to
D.
now that
【简答题】In only two decades Asian Americans have become the fastestgrowing U. S. minority. As their children began moving up through the nation schools, it became clear that a new class of academic achievers ...
【简答题】These passengers include the elderly, the handicapped, those with babies or children as well as First Class passengers. 2. Please walk in this direction, don’ t leave things in the aisle. 3. The bagga...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
