【简答题】利用无线通信技术将属于个人的电子设备(笔记本电脑、平板电脑、手机等)连接起来形成局域网被称为个人区域网,其英文缩写是 ____________.
【单选题】下图为中国、美国和欧盟的温室气体排放量变化示意图。读图,回答 9 ~ 10 题。 图中温室气体排放量 ( )
【单选题】The Solo Trek is able to lift off the ground by using ______ .
A.
a solar powered engine
B.
engine-powered twin fans
【单选题】Why does Culhane say the solar- powered waters heaters demonstrate that "renewable energy is not some exotic technology"?
A.
The solar-powered heaters are expensive and difficult to make.
B.
The solar-powered heaters can decrease potential energy costs.
C.
The solar-powered heaters can be built simply with found materials.
【简答题】阅读理解。 A Solar-powered Plane-Lowcarbon Earlier this month, a solar-powered (太阳能动力的) plane called Lowcarbon took off to the sky for the first time. It has passed an important test on the way to travel a...
【单选题】A solar car is an electric car powered by ______ electricity.
【判断题】D er ivation does not change the grammatical class of the stem.
【单选题】个人区域网的英文缩写是________。
【多选题】以下列出了术语与其英文缩写的对应关系,正确的是