抢救经呼吸道吸入的急性中毒,首要采取的措施是()。
A.清除尚未吸收的毒物
B.排出已吸收的毒物
C.使用解毒剂
D.对症治疗
E.立即脱离现场及急救
参考答案:E
That notebook _____ John’s. It has his name on it.
A.canbe
B.mustbe
C.needbe
D.can’t be
The computer you are using is protected usually by ( ).
A.password
B.key
C.mouse
D.USB