问题
解答题
小丽比小兰多12张彩色画片，小兰的彩色画片比小丽少
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答案
小兰的张数：12÷
-12，3 5
=20-12，
=8（张）；
答：小兰有8张彩色画片．
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小丽比小兰多12张彩色画片，小兰的彩色画片比小丽少
|
小兰的张数：12÷
-12，3 5
=20-12，
=8（张）；
答：小兰有8张彩色画片．
A new term has begun. Teachers are 41 about the fact that new students are not easy to deal with. They like to bring cell phones and MP3 players to school. What is worse , some students even use cell phones 42 out-of-class matters in class, or sometimes just for fun. Some 43 students listen to MP3 players when they are having a lesson that they are not interested in. Are these new students really that 44 ? “Yes.” Says Delaney Kirk, a professor（教授） at Drake University. But she adds it’s not their fault. 45 , the teachers should be blamed(责备). 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 learning well had nothing to do with them.” She says. “At first, I got worried about this.” But then I said to 46 , “You’re giving lessons, 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 47 . They shouldn’t waste time doing nothing when they are young. Sooner or later, they may regret(后悔) the time they 48 .” Mrs Kirk also makes a list of suggestions to help teachers better manage（驾驭） their classes. The following are among her suggestions: On the first day of class, tell students how they will benefit(受益)by taking the class and the importance 49 listening carefully in class. Do not allow them to bring cellphones or MP3 players to the class at all. Tell them 50 to use cell phones or MP3 players properly(适当地)..
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