阅读下面短文, 根据短文内容回答问题。How much do you know about English It is an official (官方的) language of more than 50 countries and 250 to 300 million people speak it as a second language. Some say that half the world might (可能) be speaking it in 2050. ...
This water is in a constant cycle — it evaporates from the ocean, travels through the air, rains down on the land and then flows back to the ocean. In this article, we'll take a closer look at the world's water, including how much fresh water and salt water exist on the Blue Pla...
1 In which region is the biggest range of bovids to be found? A Africa B Eurasia C North America D South-east Asia 2 Most bovids have a preference for living in A isolation B small groups C tropical forest D wide open spaces 3 Which of the following features do all bovids have in ...
38题,由上文“The main reason why people use this system is that it ___ save 45 to 50 per cent water less than normal watering systems.”可知,人们使用这种系统的主要原因是,它比普通的浇水系统节省45%到50%的水,故空格处填helps,意为“帮助”。 39题,由下文“farming in South Africa”可知,在...
This article is based on an in-depth case study of urban water services to poor households in the community of Eastwood, Pietermaritzburg, in the province of KwaZulu-Natal, South Africa, for the period 2005-2007. The article adopts a mixedmethodological approach. Despite government progress in ...
Experts believe that the Middle East and North Africa have huge 33___ for solar energy projects. This is partly because of adequate sunlight and partly because technology has become more 34___ in the region. “The l...
Water is Free to call in for to seek some advice from robin. To tell mr. Robinson the time for signing the contract. To say hello to mr. Robinson. Why is the marketing manager not available? Now? He is at a meeting. He is always from office. He is traveling for business. What ...
- That's right. It is moving further into the world. A. technology B. environment C. population 26.-How do you like the new movie I Am What I Am? - It can't be ___. I love the story and the music very much. A. good
Starting February 1st, each person in Cape Town, South Africa received a daily supply of 13 .2 gallons of water which is only enough for a 10 -minute shower! This restriction(限制) was introduced in preparation for April 22nd, also known as Day Zero, on which the city will turn off ...
In Africa, China has helped African countries build water conservancy infrastructure, set up demonstration zones for agricultural cooperation, and carried out China-Africa cooperation projects involving a Chinese-invented technology using grass to grow mushrooms. ...