皮皮学，免费搜题
登录
搜题
【多选题】
艾滋病难以治愈的原因是A.
RNA具有高度的变异性
B.
HIV除了游离于体液中,还有很多隐藏从CD4细胞内
C.
DNA具有高度变异性
D.
人类尚未认识HIV病毒的复制周期
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
【单选题】Susan usually ________ her homework at 7:00 in the evening.
A.
goes
B.
does
C.
do
D.
has
【简答题】小题1:Zhijin Cave is known as the most beautiful underground (宫殿) in the world． 小题2:Susan usually has some pieces of b and a bottle of milk for breakfast． 小题3:In English the first name is the g name． 小题...
【单选题】What does Susan usually do online?
A.
reads news
B.
chats with friends
C.
does some shopping
【单选题】Why does Susan usually stay with her grandmother during holidays?
A.
Because her parents are very strict with her.
B.
Because she wants to take care of her grandmother.
C.
Because her parents are too busy to take care of her.
D.
Because she likes staying in her grandmother's village.
【单选题】Why does Susan usually stay with her grandmother during the holiday?
A.
Because her parents are very strict with her. .
B.
Because she wants to take care of her grandmother.
C.
Because her parents are too busy to take care of her.
D.
Because she likes staying in her grandmother’s village.
【单选题】What does Susan usually do online?
A.
reads news
B.
chats with her friends
C.
does some shopping
相关题目：
参考解析：
知识点：
题目纠错 0
发布
