猜你喜欢
- 1"博学而笃志,切问而近思"的意思?
- 2TV shopping has good and bad, but I think not very good, because television does not guarantee product quality, shopping
- 3用下面的词语写一段话,谈谈自己阅读《一夜的工作》和《周总理的一天》后的体会
- 4函数f(a)=(3m-1)a+b-2m,当m∈[0,1]时,0≤f(a)≤1恒成立,则9a2+b2ab的最大值与最小值之和为( ) A.18 B.16 C.14 D.494
- 5为什么离子不是保持物质化学性质的最小微粒离子是原子的一种吗
- 6Students are usually interested in sports.Some like running;some like swimming;___ like ball games
- 7Your room is _____.You`d better clean it up at once.
- 8隋朝大运河连接了五大水系,还是五大河流?
- 9Only the plain and the cheap ones were( )behind.
- 10在某电场中,A点的电势是100V,把电荷Q=2乘10的负9次方C,从A点移动到B点,克服电场力做功为2...