作业使用的梯子上只能有()人作业。
A.1
B.2
C.3
参考答案:A
用所给词的适当形式填空。(每空1分, 本题5分)
小题1:Tom (get) up at six o’clock every morning.
小题2:This is a pen. It (is) a pencil.
小题3:There are two (watch) in the box.
小题4:Gina (have) two interesting story books.
小题5:Do you want (go) to a movie?
有利于急性肾炎诊断的血液生化改变是
A.血清C3暂时下降B.血浆蛋白明显下降C.血清胆同醇升高D.抗链“O”滴度升高E.血免疫球蛋白升高