对现在英国国家元首伊丽莎白二世和政府首脑特蕾莎·梅表述正确的是（ ）
①梅的权力受到伊丽莎白二世的制约②如果现在议会通过对政府的不信任案，以梅为首的内阁就一定要下台③议会通过的议案，伊丽莎白二世基本无权否决④如果议会通过对政府的不信任案，以梅为首的内阁可以宣布解散议会，重新进行选举
A：②③④
B：③④
C：④
D：①③
解释下列词语
①基因
②细菌
With the development of science and technology, our daily life is becoming more colorful and more convenient .
An Underwater Hotel
It looks like a spaceship but it is actually a picture of an underwater hotel. A company plans to build in the sea which is about 18 metres below the surface. The whole building is underwater and you can get to it by swimming and diving.
Google Glass
Google Glass is a pair of glasses with a battery hidden inside the frame(边框). It can perform many of the same tasks as smart phones. The glass has a hidden camera and a tiny screen. It is designed to take hands-free photos or videos of anything people are doing.
A New Kind of Shirt
Hate washing clothes? You're going to love this kind of shirt made by an American clothing company, Wool & Prince. This shirt can be worn for 100 straight days without washing! The Wool & Prince shirt never needs ironing(熨烫).
The Digital Library
Can you imagine walking into a library and finding all books have turned into computers? The first bookless public library is planned to open in San Antonio, Texas. Computers will take the place of books soon.
