HIV与感染细胞膜上CD4分子结合的病毒剌突是()。
A.gp120
B.gp41
C.p24
D.p17
E.gp160
参考答案:A
单词拼写(10分)
小题1:Is that seat already ___________? (占用)
小题2:Doing morning exercises surely has some _____________(有益的) effects on our health.
小题3:Usually people show great ___________(同情) for the children begging in the streets.
小题4:He was the only w___________(目击者) to that accident.
小题5】He was ___________(遗弃) by his cruel parents when born because of his disability.
小题5:The mountains are __________(反射) in the clear water, forming a pleasant picture.
小题6:You’d better ____________(适合) yourself to the life here as soon as possible.
小题7:Everybody is required to ____________(参加) in the spring outing.
小题8:Follow the doctor’s advice, ____________(否则) you’ll not get better soon.
小题9:The teacher ____________(推荐) the book written by Dickens to his students.
距地面()的作业就视为高处作业。
A、2m以上
B、3m以上
C、4m以上
D、5m以上