熟悉开机主界面上面的各个符号代表的意义？

—My brother fell down from his bike and hurt his leg.

— _____.  [ ]

A. That's too bad.

B. He's too careless.

C. He should be careful.

D. I'm sorry to hear that.

经蛋白电泳后，肾小管蛋白尿以哪种蛋白质增加为主（）

A.清蛋白

B.免疫球蛋白轻链

C.溶酶体

D.β₂微球蛋白

E.球蛋白

西气东输可以迅速增加东部地区的财政收入。

缓刑

蝶形引入光缆全程标签黏贴不少于两张：在光分配箱和用户终端侧分别黏贴，标签粘贴在距接线器（）处。

A.2cm

B.3cm

C.5cm

D.10cm