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1、课时作业19基础检测1When not directly assisting the staff, I listened attentively to the patients concerns and helped to alleviate(缓解)their fears.2The flowers are in need of fertiliser(肥料)3As in all experimental sciences, we still do not know everything about nutrition(营养)4He died in loneliness and poverty(贫
2、困)5Organic(有机的) farming is expanding everywhere.6Food shortages are widespread(普遍的)7You should allow a little time after a meal for the food to digest(消化)8Experience is essential(极其重要的) for this job.9The rock is rich in mineral(矿物)salts.10Tree roots(根) can cause damage to buildings.1They had no alte
3、rnative but to_put(put)the meeting off.2It is essential that you have some experience.3Some readymade meals are nutritious(nutrition) and very easy to prepare.4Bacteria (bacterium)reproduce by dividing and making copies of themselves.5Alleviating(alleviate) and eliminating poverty remains a longterm
4、 historical task for China.6No liquids are served with meals because they interfere with digestion(digest)7Water was found at a depth of 30 metres.8We should take effective measures to stop the wild animals from being killed.9I was too glad to_receive(receive)your gift.10About 300 tons of Peruvian m
5、angoes(芒果)were kept from entering(enter)France.能力提升LONDON (Reuters)Organic fruit is delivered right to the doorstep.That is what Gabriel Gold prefers, and he is willing to pay for it.If this is not possible, the 26yearold computer technician will spend the extra money at the supermarket buying organ
6、ic food.“Organic product is always better，” Gold said.“The food is free of pesticides (杀虫剂), and you are generally supporting family farms instead of large farms.And more often than not it is locally grown and seasonal, so it is tasty.” Gold is one of the growing number of shoppers buying into the_o
7、rganic_trend,_and supermarkets across Britain are counting on more like him as they grow their organic food business.But how many shoppers really know what they are getting, and why are they willing to pay a higher price for organic product? Market research shows that Gold and others who buy organic
8、 food can generally give clear reasons for their preferencesbut their knowledge of organic food is far from complete.For example, small quantities of pesticides can be used on organic products.And about three quarters of organic food in Britain is not local but imported to meet the growing demand.“T
9、he demand for organic food is increasing by about one third every year, so it is a very fastgrowing market.” said Sue Flock, a specialist in this line of business.文章大意：有机农产品到底是更环保更健康呢，还是仅仅是因价格高而受到人们的青睐呢？本文就此做了一些报道。1More and more people in Britain are buying organic food because _.Athey are getting r
10、icherBthey can get the food anywhereCthey consider the food free of pollutionDthey like homegrown fruit答案：C解析：细节理解题。根据第二段中的“Organic product is always better.The food is free of pesticides (杀虫剂).”可知，人们认为有机农产品不用农药，没有污染。2Which of the following statements is TRUE about most organic products sold in Brit
11、ain?AIt grows indoors all year round.BIt is produced outside Britain.CIt is grown on family farms.DIt is produced on large farms.答案：B解析：细节理解题。根据第二段中的“And about three quarters of organic food in Britain is not local but imported to meet the growing demand.”可知，英国有四分之三的有机农产品是从国外进口的。故选B。3What is the mea
12、ning of the underlined words “the organic trend” in the second paragraph?AGrowing interest in organic food.BBetter quality of organic food.CRising markets for organic food.DHigher prices of organic food.答案：A解析：词义猜测题。根据第二段中的“Gold is one of the growing number of shoppers buying into the_organic_trend.
13、”可知，越来越多的人对有机农产品感兴趣，并选择购买有机农产品，这成了一种潮流。故选A。4What is the best title for this news story?AOrganic foodhealthy, or just for the wealthy?BThe making of organic food in BritainCOrganic foodto import or not?DGood quality of organic food答案：A解析：标题判断题。纵观全文可知，本文报道了有机农产品是否真的因为无污染、更健康而受到人们的青睐，还是因为其价格更高而受到人们的追捧，
14、因此A项为本文的最佳标题。阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Agricultural experts say crop diversity is important to feed the _1_ (increase) population of our planet.They say having a large variety of plants also _2_(help) to protect against possible crop diseases and future crises.But many experts say the number h
15、as decreased sharply during the past century.One of the worlds _3_(large) seed conservation projects has predicted further losses.The Millennium Seed Bank Partnership is warning that up to one hundred thousand plant species could _4_(permanent) disappear.The rich collection of genes _5_ decide their qualities would disappear with them.Many experts blame climate change, loss of habitat and normal growth area, for damaging plant life.They say many human _6_(activity) and poorly planned, overly heavy use of land are also responsible.Modern business farming is responsible _7_ loss of
