Cities are home to skyscrapers (摩天大楼) and other buildings, and there were not many open spaces within them. Without many spaces for _______ and gardens, city planners often find it difficult to add green to the city. One way to _______ this problem is to grow plants on unused areas like walls and rooftops (屋顶). It’s a good idea, and now rooftop gardens and green walls can be _______ in cities around the world.
There are many _______ of having green spaces in cities. Adding green to rooftops or walls can create a(n) _______ environment, for example, turning a cement (水泥) wall into a colourful _______. The CaixaForum art gallery (画廊) in Madrid, Spain, is a famous example. One of the walls is covered _______ 15000 plants. In other cities, green walls are being used more practically (实用地), for example, to cover up old houses and empty buildings.
Using plants to cover walls and rooftops can also cut power costs _______ they can keep buildings cool in summer and also help them stay _______ in winter. They ________ provide green spaces for birds. About 12% of roofs are green in Germany already, and Tokyo requires at least 20% of the new roofs to be green.
1.A.parks B.museums C.cinemas D.factories
2.A.forget B.make C.protect D.solve
3.A.bought B.seen C.read D.thrown
4.A.problems B.mistakes C.advantages D.troubles
5.A.terrible B.boring C.noisy D.enjoyable
6.A.bridge B.garden C.lake D.hospital
7.A.with B.to C.off D.on
8.A.or B.but C.because D.although
9.A.cold B.warm C.dry D.wet
10.A.never B.hardly C.very D.also
— Oh, no! My mobile phone is missing! What am I going to do?
—________Go downstairs to the lost and found office. They may have it.
A.No way. B.Don’t worry.
C.That’s no excuse! D.You’ve got no chance.
— Could you tell me ________ the National Maritime (海事的) Museum?
— Sure. Go along the street and you’ll see it on your right.
A.how can I get to B.how I can get to
C.when will I arrive at D.when I will arrive at
Many of the older buildings in Tianjin look beautiful________workers have carefully made them look as good as new.
A.while B.if C.although D.because
In the course, each group studies together. All the students will be able to________ different activities.
A.take part in B.keep clear of C.win the heart of D.stay in touch with
She’s won many world competitions, ________ four gold medals in the Olympics.
A.below B.across C.including D.towards