A Chinese proverb has it that a tower is built when soil on earth ____, and a river is formed when streams come together.
A.accumulates B.accelerates C.accommodates D.associates
－What about inviting Tracy to host the party?
－Good idea! She is very quick in mind. Oh, _______, here she comes.
A. don’t pull my leg B. a little bird told me
C. speak of the devil D. it’s a piece of cake
The foreigners here are greatly impressed by the fact that _______ people from all walks of life are working hard for ________ new Tianjin.
A./; a B./; the
C.a; a D.the; the
假定你是李华，你的澳大利亚朋友Terry将去中国朋友家做客，发邮件向你询问有关习俗，请你回复邮件，内容包括：
1. 到达时间；
2. 合适的礼物；
3. 餐桌礼仪。
注意：
1. 词数100左右；
2. 可以适当增加细节，以使行文连贯。
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假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第 11 处起）不计分。
Dear Charlie,
I’m writing to ask you the favor. To help us students have a better understand of American culture, the Student Union is now organized an American Culture Festival. We’re now bad in need of several American popular magazine that can reflect modern American life. So, could you please help buy some or send them to us? We will cover all the related to costs. Also, we would appreciate if you could see to it that the contents of the magazines were suitable for Chinese middle school students.
Thanks a lot! Please replying at your earliest convenience!
Yours,
Li Hua
阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式（不超过三个单词）。
Color blindness is very common. It affects 1. (rough) 1 in 12 men and 1 in 200 women in the world. People 2. blindness can’t see colors in a normal way.
There are 3. (variety) causes of color blindness. For the majority of color-blind people, color blindness is genetic, although some people become color-blind as a result of other diseases, such as diabetes(糖尿病), or they have 4. condition over time due to the aging process, etc.
Most color-blind people can see 5. (thing) as clearly as other people, but they are unable to fully "'see" red, green or blue light. There are different types of color blindness but there are extremely rare cases 6. people are unable to see any color at all. The most common color blindness is red/ green color blindness. Although 7. (know) as red/green color blindness, it doesn’t mean 8. (suffer) will only mix up red and green. It means they mix up all colors that have some red or green as part of the whole color.
The effects of color blindness can 9. (classify) into mild，moderate(中等的) or severe. About 40% of color-blind people are even unaware that they’re color-blind. Statistically speaking, most people 10. (have) a moderate form of red/ green color blindness can only identify 5 colored pencils from a standard box of 24 pencil crayons.
