2、的平方根________,的立方根________。
1、下列和數(shù)
其中無理數(shù)有________,有理數(shù)有________(填序號)
甲型H1N1流感正在世界各國蔓延, 威脅著人們的健康。怎樣做才能保持健康?請根據(jù)以下提示,寫一篇不少于80詞的短文。
提示: 1、健康的飲食; 2、適當(dāng)?shù)倪\(yùn)動; 3、良好的生活習(xí)慣; 4、良好的心態(tài)。
要求: 1、文中請勿使用真實(shí)的姓名、校名、地名; 2、書寫規(guī)范、語句通順、語法正確。
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A new term has begun. Teachers are 41 about the fact that new students are not easy to deal with. They like to bring cellphones and MP3 players to school. What is 42 , some students even use cellphones 43 out-of-class matters in class, or sometimes just for fun. Some 44 students listen to MP3 players when they are having a lesson that they are not interested in.
Are these new students really that 45 ? “Yes.” says Delaney Kirk, a professor at Drake University. 46 she adds it’s not their fault. 47 , the teachers should be blamed(責(zé)備). Mrs Kirk first began thinking about students’ manners six years ago. “I had my first class in which students were sleeping or talking to each other. It seemed that 48 well had nothing to do with them.” she says. “At first, I got worried about this.” but then I said to 49 , “You’re giving 50 , and you need to manage this kind of situation. These students need to know more about manners. It’s time to help them develop some good 51 . They shouldn’t waste time doing nothing when they are young. Sooner or later, they may regret the time they 52 .”
Mrs Kirk also 53 a list of suggestions to help teachers better manage their classes. The following are among her suggestions:
l On the first day of class, tell students how they will benefit(受益) by taking the class and the importance 54 listening carefully in class.
l Do not allow them to bring cellphones or MP3 players to the class at all.
l Tell them how to use cellphones or MP3 players 55 .
( ) 41. A. excited B. worried C. surprised D. interested
( ) 42. A. bad B. worse C. good D. better
( ) 43. A. do B. doing C. to do D. did
( ) 44. A. other B. the other C. others D. another
( ) 45. A. rude B. polite C. friendly D. boring
( ) 46. A. But B. However C. And D. So
( ) 47. A. Such as B. For example C. Instead of D. Instead
( ) 48. A. learn B. learned C. learning D. learns
( ) 49. A. me B. myself C. I D. mine
( ) 50. A. math B. English C. Chinese D. lessons
( ) 51. A. ideas B. speeches C. habits D. classes
( ) 52. A. had wasted B. waste C. have wasted D. will waste
( ) 53. A. makes B. brings C. gets D. takes
( ) 54. A. on B. of C. at D. by
( ) 55. A. careful B. carefully C. proper D. properly
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