问题 单项选择题

休克的最主要特征是()。

A.心输出量降低

B.动脉血压降低

C.组织微循环灌流量锐减

D.外周阻力升高

E.外周阻力降低

答案

参考答案:C

完形填空

I have two friends.        names are Lucy and Lily. They are twins(双胞胎). They        from the USA.

Lucy and Lily look the same.        have blue eyes and brown hair. They are thirteen      old. But they are in different clothes. Red is        favorite color. She is often(经常)in red. But this morning,        coat is yellow and her pants        blue and she has brown shoes. Lily likes green. This morning she is        a green skirt and her shoes are green, too.

They often help me with my English.        are in the same grade, but in different       .

小题1:A.Their               B.They                 C.Theirs

小题2:A.comes               B.come                C.is

小题3:A.They’re            B.They                 C.Their

小题4:A.year                B.year’s              C.years

小题5:A.Lucy’s             B.Lucy                 C.Lucys’

小题6:A.she             B.he                   C.her

小题7:A.are             B.is                   C.be

小题8:A.at                  B.from                 C.in

小题9:A.Our             B.We                   C.Us

小题10:A.class              B.classes              C.Grade

判断题