越多越好!哪一课都行!

Question

越多越好!哪一课都行!

Answer 1

1.气体X和灼热的木炭反应,生成另一种无色气体Y,Y和灼热的氧化铜反应能生成铜和X,下列X、Y的组合正确的是（ ）
A、CO、CO2 B、CO、O2 C、CO2、CO D、O2、CO2
2.干燥的一氧化碳中含少量二氧化碳可行的方法是（ ）
A、将混合气体通过灼热的氧化铜 B、将混合气体通过澄清石灰水
C、将混合气体通过足量的灼热的碳 D、将混合气体通过活性炭
附加：C+CO2可以生成CO吗?第2题除去二氧化碳不是应该通入澄清石灰水一.根据句意及括号内的提示词或汉语注释,在横线上填写单词.
1.Sorry,my ____ is poor.Can you help me?(pronounce)
2.I realized ____ that this work wasn't going to be easy.(quick)
3.I'm so ____ that we're going to New York.(excite)
4.Henry ____ off in mid-sentence to shake hards (握手）with Mr Zhang.(break)
5.Charlie thinks of a best way of ____ this probiem.(solution)
二.根据汉语完成句子.
1.我们要尽力应对好每一个挑战.
We should ____ our ____ to ____ ____ each challenge.
2.成为一个好的语言学习者的秘诀之一是做大量的听力练习.
____ lots of listening practice is one of the ____ ____ ____ a good language learner.
3.我们应该视问题为挑战.
We should ____ ____ ____ ____.
4.如果你把自己和别人进行比较,你会发现你的问题一点儿也不可怕.
If you ____youself ____ other people ,you will found your problem aren't terrible ____ ____.
5.在爸爸的帮助下,我学会了游泳.
____ ____ ____ ____ my father ,I learned to swim.
三.选择题.
1.Interner bars mustn't let people under 18 in or let anybody ____ bad thing.
A.watch B.to watch C.watching D.watches
2.Pierre was greatly ____ by the cute panda when he spent summer vocation in China.
A.impressed B.impressing C.memorizing D.realized
3.Last year my sister tried to lose weight(减肥）,but ____ putting weight back on.
A.cut up B.looked up C.end up D.made up
(英语)