现有5种物质:①浓盐酸 ②烧碱 ③食盐 ④浓硫酸 ⑤铁 把它们长期露置在空气中,其中发生化学变化且质量增加的是
( )
A.①②
B.②⑤
C.③④
D.③⑤
答案:B
根据句意及汉语提示,填入适当单词完成下列句子。(5分)
1. There are many trees and ___________ (灌木从)in the garden.
2. There are some ___________ (抢劫者)in the building.
3. People have different __________(能力).
4. It’s __________ (必要的)to give them clean water if you want them to be healthy.
5. How _________ (可怕的) the traffic was!
Personne n’aime ____________.
A.être dé u
B.être classé
C.être retenu
D.être démoli