用自来水（用Cl2消毒）养金鱼时，将水注入鱼缸的前需在阳光下暴晒一段时间，目的是

_____ they are very tired, they feel happy because they’ve finally finished their project.

A．So

B．Although

C．If

D．But

The Oral Approach believes that language learning in real life is for the acquisition of spoken language while language learning in the classroom is for the ______ of literacy.

柱子模板的构造和安装主要考虑保证垂直度及抵抗新浇混凝土的侧压力

扰码相关性、频点干扰相关问题

当客舱高度超过多少英尺，氧气面罩（在100%位）自动开始提供正压力（）

A.14000

B.20000

C.30000