1．By coincidence，oil paints were also developed at this time，___________________________.
巧合的是，这一时期油画颜料也得到了发展，使得画的颜色看上去更丰富、更深沉。
2．__________________ who broke away from the traditional style of painting ________________________，who lived and worked in Paris.
在那些突破传统画法的画家中有印象派画家，他们在巴黎生活和工作。
3．____________ the Impressionists encouraged artists to look at their environment in new ways.
这是因为印象派画家鼓励艺术家用新的方法观察环境。
4．Henry Clay Frick，a rich New Yorker，died in 1919，_______________________________.
亨利·克莱·弗里克是纽约的一位富豪，于19去世，把他的房子、家具和艺术收藏品全部留给了美国人民。
1.which made the colours used in paintings look richer and deeper2.Among the painters；were the Impressionists3.This is because4.leaving his house，furniture and art collection to the American people
1．There are various reasons ________________________________.
人们写诗的原因是多种多样的。
2．Some rhyme (like B) ________________________________ (like C)．
有些押韵(像B首诗)而有些不是这样(像C首诗)。
3．And (he) said ________________ they all were true.
而且(他)说虽然这有些离奇，但却真实。
4．________________________________________________________________，students may eventually want to write poems of their own.
有了这么多不同的可供选择的诗歌类型，学生们最后也许想写自己的诗了。
1.why people write poetry2.while others do not3.though strange4.With so many different forms of poetry to choose from
1．When I was taken off the school football team because I was unfit，I knew ___________.
当我因为身体不健康而被校足球队除名时，我才知道我该戒烟了。
2．I ____________ so because I want you to live __________________________ I have.我的确希望你把烟戒掉，因为我希望你能像我这样活得健康长寿。
3．________________________________________________________________，remind yourself that you are a nonsmoker.
每当你想要吸烟时，提醒自己你是个不吸烟的人。
4．Do not be disappointed if you have to try several times_________________________.
即使你非得经过多次戒烟才能最后把它戒掉，你也不要失望。
5．________________ only when the disease has progressed to AIDS ________ a person begins to look sick.
只有当这种病毒发展成艾滋病时，人才会显出病态。
1.it was time to quit smoking2.do hope；as long and healthy a life as3.Every time you feel like smoking a cigarette4.before you finally stop smoking5.It is；that
1．________________________________ the earth is becoming warmer...
毫无疑问，地球正在变暖……
2．________________________________________________ carbon dioxide and other greenhouse gases，the climate is going to keep on warming for decades or centuries.
即使我们开始减少二氧化碳和其他温室气体的含量，在(未来)几十年或几个世纪内，气候仍会持续转暖。
3．As Im not sure ________________________________________________，I would appreciate any suggestions you may have.
由于我不清楚我该从哪里开始我的研究，如能得到你们的建议我将十分感激。
4．It is OK to leave an electrical appliance on __________________________—if not，turn it off!
只要你在使用电器设备，你便可以把它开着，如果不用就把它关掉！
1.There is no doubt that2.Even if we start reducing the amount of3.where to start with my project4.so long as you are using it
1．Yet，________________________________，we are not completely powerless.
但是无论我们多么脆弱，我们并不是一点力量都没有。
2．________________________________________________，I help other scientists to predict where lava from the volcano will flow next and how fast.
收集和评估这些信息之后，我就帮助其他科学家一起预测熔岩接着将往何处流，流速是多少。
3．...but ________________________________，I stayed at the top and watched them.
……但是我是第一次经历这样的事情，所以留在山顶上观察他们。
4．____________________ this boy，who had a great gift for languages and persuasion，is the father of the Manchu people.
据说这个男孩就是满族人的祖先，他具有语言天赋和很强的说服能力。
1.however weak we are2.Having collected and evaluated the information3.this being my first experience4.It is said that
