皮皮学，免费搜题
登录
搜题
【多选题】
晒太阳取暖利用了( );人造卫星的光电池板利用了( );植物的生长利用了( )A.
光电效应
B.
光化学效应
C.
光热效应
D.
感光效应
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】If you want to keep fit, you should _______ [ ]
A.
eat junk food
B.
learn a foreign language
C.
find a job
D.
eat healthier food
【简答题】设A为5阶方阵，A*是其伴随矩阵，且|A|=3，则|A*|=_______
【单选题】– You should walk or run daily if you want to keep fit. – ______.
A.
Yes, that's enough
B.
Thanks for your advice
C.
I like watching TV
D.
Well, that's OK
【简答题】You are so kind to _________ my pain. (relief)
【简答题】设 为5阶方阵, 是其伴随矩阵,且 ,则 _______
【多选题】反映本量利关系的基本公式包括( )
A.
利润=销售收入-总成本
B.
利润=销售收入-变动成本-固定成本
C.
利润=单价X销售量-单位变动成本X销售量-固定成本
D.
利润=（单价-单位变动成本）X销售量-固定成本
【简答题】设【图片】为5阶方阵，【图片】是其伴随矩阵，且【图片】，则【图片】_______
【单选题】Don't you think _______of great importance that we should keep fit by taking exercise regularly?
A.
this
B.
that
C.
which
D.
it
【单选题】Since smoking is a bad habit, to keep yourself fit,you should try to _____ it. [ ]
A.
throw away
B.
get away with
C.
get rid of
D.
throw up
【单选题】(2014·湖南株洲一模)—Thank you for your tea. —You are so kind to say so，but you________it at all.
A.
didn’t drink
B.
aren’t drinking
C.
don’t drink
D.
hadn’t drunk
相关题目：
参考解析：
知识点：
题目纠错 0
发布
