我会用。

①亮晶晶

②花朵

根据短文内容，选择最佳答案。

Scientists say life will be very different in 2050.First,there will be no TV channels (频道) . People will choose a programme (节目) from a computer and watch it on the television. We will get information on the computers only.

   Second, water will be a big problem. In many places, people won't have water to drink.

Third, cars will use new and clean fuels and they will go very fast. There will be a computer in every car. And computers will control the cars and there won't be any accidents (事故) .

如图口号所反映的历史事件，与历史人物搭配正确的有（　　）

下列各句中，没有语病的一项是（    ）

控制桑葚果实生长发育的遗传物质DNA主要存在于细胞的哪一种结构中（　　）