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Spring is coming. ____________________ plant trees.
2. 虽然交通堵塞会使我开车开得很慢，但我仍然希望拥有一辆自己的爱车。
Although traffic jams would stop me ____________________, I'd still like to have my own car.
3. 调查显示，一半以上的学生每周上网四个小时。
A survey shows that more than half of the school students ____________________ the Internet.
4. 西方国家的孩子通常在圣诞节前夕准备许多礼物。
Kids in the West usually ____________________ as many gifts as possible before Christmas.
5. 昨天晚上的骚扰电话使他非常生气，他一晚上根本无法入睡。
Crank calls made him ________________________________________ last night.
的图象在x=2处的切线方程为
(I )求
的解析式；(II)是否存在实数,m,n使得函数
在区间
上的最小值为m，最大值为n.若存在，求出这样一组实数m,n,若不存在，则说明理由.
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根据提示，以“The Spring Festival” 为题写一篇短文，词数不得少于60个。
1． 春节是中国传统的节日，它通常在一月或二月。
2． 在中国人们用许多方式来庆祝它，人们通常买新衣服和许多好吃的食物。
3． 在除夕（New Year’s Eve）所有的家庭成员都在一起吃一顿大餐。
4． 春节期间，人们相互拜访并说“新年快乐”。
5． 春节时孩子们得到一些红包，里面总是有一些钱。因此( so )孩子们非常喜欢这个节日。
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查看习题详情和答案>>根据短文内容及所给首字母提示，补全所缺单词，使短文意思完整、通顺。
"I'm a singer and a volunteer worker from Shenzhen. I f (1) happy to be helpful to others and to offer what I have to society," Cong Fei said these words many t (2) . The p
(3) singer died of stomach cancer in April 2006 at the age of 37.
Cong devoted himself to charity work．From the year1994 on，he used all the money he made from commercial performances(商业演出)to help n (4)200 children in poor areas p (5)for their education．
Cong was found having stomach cancer in May 2005．His health condition became even w (6)in Febmary 2006．A month later，he could not take food．One day before his death．he asked doctors to s (7)treatment(治疗)．“Don’t waste m (8)on me anymore. Please give the valuable medical resources to people in real n (9)," he said. According to his last wish, doctors collected his corneas (角膜) less than one hour a (10) he died. Cong hoped to help those who have eyesight problems by doing this.
查看习题详情和答案>>In China, people hand_______ _______ both hands _______ _______ their respect.
2．当两个英国人在交谈时，他们通常不会靠得很近。
When two Englishmen are talking, they usually_______ _______ _______ _______ each other.
3．假如你向一个日本侍者勾手指，他会生你气的。
If you_______ _______ _______ to a Japanese waiter, he will_______ _______ _______ you.
4．把手插在口袋里是无礼的表现。
Putting one's hands in one's pockets is_______ ______________ _______.
5．我们的身体随时在说话，但是不同的文化习俗有不同的意思。
Our body speaks________ ________ ________,although it doesn't mean the same________ _____ ________