皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【多选题】
肠道免疫系统中,IgA抗体
A.
是基底层B细胞产生的主要抗体类别
B.
主要任务是排除肠腔的微生物，助于防止腔内细菌越过上皮屏障
C.
可以拦截突破肠道屏障进入固有层的入侵者。基底层IgA抗体可结合侵略者，通过上皮细胞“胞转”将入侵者引导回肠道进行处理。
D.
不会引起炎症
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【简答题】For this part, you are allowed 30 minutes to write a short essay entitled Modes of Traveling. You should write at least 120 words following the outline given below in Chinese: 1. 有人选择随团旅游，有人喜欢独自出游 2．随...
查看完整题目与答案
【判断题】If two phonetically similar sounds occur in the same environments and they distinguish meaning, they are said to be in complementary distribution.
A.
正确
B.
错误
查看完整题目与答案
【判断题】If you need your recipient to do something, you’d better not outline it in your email.
A.
正确
B.
错误
查看完整题目与答案
【单选题】If two phonetically similar sounds are two distinctive phonemes, they are said to form a .
A.
minimal pair
B.
complementary distribution
C.
phonemic constrast
D.
minimal set
查看完整题目与答案
【简答题】置位指令 中, N 的取值范围为:( )
查看完整题目与答案
【单选题】If you_______ the receipt, you could have got a refund for those jeans.
A.
didn't throw away
B.
hadn't threw away
C.
hadn't been throwing away
D.
hadn't thrown away
查看完整题目与答案
【单选题】置位指令 中, N 的取值范围为:( )
A.
0~255
B.
1~256
C.
0~256
D.
1~255
查看完整题目与答案
【判断题】If you are in America, to improve your listening and speaking, you hang out with Americans.
A.
正确
B.
错误
查看完整题目与答案
【判断题】If you are good at programming, you can join the Computer Club.
A.
正确
B.
错误
查看完整题目与答案
【单选题】键盘Caps Lock指示灯不亮时，如果需要输入大写英文字母，下列______操作是可行的? A 按下［Shift］键的同时，敲击字母键 B 按下［Ctrl］键的同时，敲击字母键 C 按下［Alt］键的同时，敲击字母键 D 直接敲击字母键
A.
按下［ Shift ］键的同时，敲击字母键
B.
按下［ Ctrl ］键的同时，敲击字母键
C.
按下［ Alt ］键的同时，敲击字母键
D.
直接敲击字母键
查看完整题目与答案
相关题目：
【简答题】For this part, you are allowed 30 minutes to write a short essay entitled Modes of Traveling. You should write at least 120 words following the outline given below in Chinese: 1. 有人选择随团旅游，有人喜欢独自出游 2．随...
查看完整题目与答案
【判断题】If two phonetically similar sounds occur in the same environments and they distinguish meaning, they are said to be in complementary distribution.
A.
正确
B.
错误
查看完整题目与答案
【判断题】If you need your recipient to do something, you’d better not outline it in your email.
A.
正确
B.
错误
查看完整题目与答案
【单选题】If two phonetically similar sounds are two distinctive phonemes, they are said to form a .
A.
minimal pair
B.
complementary distribution
C.
phonemic constrast
D.
minimal set
查看完整题目与答案
【简答题】置位指令 中, N 的取值范围为:( )
查看完整题目与答案
【单选题】If you_______ the receipt, you could have got a refund for those jeans.
A.
didn't throw away
B.
hadn't threw away
C.
hadn't been throwing away
D.
hadn't thrown away
查看完整题目与答案
【单选题】置位指令 中, N 的取值范围为:( )
A.
0~255
B.
1~256
C.
0~256
D.
1~255
查看完整题目与答案
【判断题】If you are in America, to improve your listening and speaking, you hang out with Americans.
A.
正确
B.
错误
查看完整题目与答案
【判断题】If you are good at programming, you can join the Computer Club.
A.
正确
B.
错误
查看完整题目与答案
【单选题】键盘Caps Lock指示灯不亮时，如果需要输入大写英文字母，下列______操作是可行的? A 按下［Shift］键的同时，敲击字母键 B 按下［Ctrl］键的同时，敲击字母键 C 按下［Alt］键的同时，敲击字母键 D 直接敲击字母键
A.
按下［ Shift ］键的同时，敲击字母键
B.
按下［ Ctrl ］键的同时，敲击字母键
C.
按下［ Alt ］键的同时，敲击字母键
D.
直接敲击字母键
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题