点眼药法多用于，除了（）。
A.消红肿
B.消溢血
C.去眵泪
D.止痒痛
E.除翳膜
参考答案：B
Make sure you've got the passports and tickets and _____ before you leave. [ ]
A. something
B. anything
C. everything
D. nothing
钢的碳含量为( )。
A．≤2.11%
B．＞2.5%
C．＞2.11%
D．＞7.5%
