猜你喜欢
- 1She must stay at school,--she?must表推测,其反义疑问句是用doesn't
- 2已知xyz都不为零,且方程组4x-3y-3z=0,x-3y+z=0求x:y:z
- 3六年级递等式计算、解方程、应用题各100道.
- 4关于外星人、UFO、史前文明、世界末日的书籍
- 5小明家共养鸡鸭鹅100只,其中鸭的只数是鹅的2倍,鸡的只数比鸭的3倍多10只,小明鸡鸭鹅各养了多少只?
- 6英语翻译
- 7在△ABC中,a,b,c分别是角A,B,C的对边,S为△ABC的面积,若a+b=2,且2S=c2-(a-b)2; (1)求sinC/1−cosC的值; (2)求S的最大值.
- 8起重机的功率是2kw,机械效率为60%,起重机在1min内做的有用功是
- 9The film is a three—hour documentary.(用last来改写句子,保持意思不变)
- 10people are more likely to be defeated by hardships and adversity.我想表达的是:人们更可能被困难打倒.语句有错吗?