问题
填空题
比较大小：cos48°37′______sin41°22′．
答案
∵cos48°37′=sin41°23′，sin41°23′＞sin41°22′，
∴cos48°37′＞sin41°22′．
故答案为：＞．
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比较大小：cos48°37′______sin41°22′．
∵cos48°37′=sin41°23′，sin41°23′＞sin41°22′，
∴cos48°37′＞sin41°22′．
故答案为：＞．
| 用方框内所给词的正确形式填空。 | |
is true that students like 2 by watching TV. However, the dangerous thing 3 students is that they just can't take their 4 off the screen. They will go on watching TV for hours 5 hours. It is very bad for their eyes. 6 , many students have a habit of 7 too much TV. Then they have little time left for sports. Third, some TV programs are not 8 for students. Some even lead them to commit crmes (犯罪). Finally, too much TV can 9 students weak in reading. They will lose interest 10 reading, which I think is a terrible thing. |