WWW是指()
A.World Wide Wait
B.Web Wide World
C.World Wide Web
D.World Wade Web
参考答案:C
某同学在测量花生的热价时,称取10g花生使其燃烧,结果使1000mL的水温度升高了55℃,请你计算花生的热价。(使1mL水温度每升高1℃所需要的热量是4.18J)
根据括号中的要求改写下列句子。
1.We went to the post office to send a letter.(改为一般疑问句)
you to the post office to send a letter?
2.The pandas need to eat bamboos.(对画线部分提问)
the pandas need to eat?
3.It's important to learn English well.(改为同义句)
English well very important.
4.There are some animals in danger.(改为否定句)
There animals in danger.
5.We mustn't pollute rivers.(改为祈使句)
rivers!