问题
单项选择题
光照射入体后部分被吸收，部分被反射，被吸收的光能可转变成
A．热能或化学能
B．磁能
C．声能
D．机械能
E．以上都不是
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
光照射入体后部分被吸收，部分被反射，被吸收的光能可转变成
A．热能或化学能
B．磁能
C．声能
D．机械能
E．以上都不是
参考答案：A
| 选择方框内恰当的单词并用其适当形式将短文补充完整. | |
| |
| My father is very busy. He usually works five __1__ a week from Monday to Friday. __2__ he works on Saturdays _ 3__ Sundays. He often gets up early in the morning. He cooks __4__ for my family. He goes to work at 7:10. He __5__ lunch at his workplace. He comes back _ 6__ at about 6:30. My mother cooks dinner. _ 7 _ dinner he goes out and takes a __8__ in the small garden. _ 9 _ he goes to bed, he often reads some _ 10 _ or watches TV. He goes to sleep very late |