试试看你能找出文章中的主题句吗

试试看你能找出文章中的主题句吗 试试看你能找出文章中的主题句吗, The panda is a popular animal. Stories about the panda in the Washington Zoo are always front page news and important features on television newscast. Stuffed pandas are among the most popular toys for children, and panda postcards are always in demand in zoo gift shops. Annealing Annealing is a way of making metal softer by heating it and then letting it cool very slowly. If metal is heated and then cooled very quickly, for example by dipping (浸) it in water, it will be very hard but also very brittle-that is, it will break easily. Metal that has been annealed is soft but does not break as easily. It is possible to make metal as hard or as soft as it is wished, by annealing it. The metal is heated, and allowed to cool slowly for a ce rtain length of time. The longer the heated metal takes to cool slowly, the softer it becomes. Annealing can also be used on other material, such as glass. 1. Why do people put hot metal in water? A. To make it hard. B. To make it soft.C. To make it cool. D. To make it brittle. 2. In annealing, the required hardness of metal depends on __. A. the quantity of water used B. the temperature of the metal C. the softness of the metal D. the timing of the operation 3. As suggested by the text, how can glass be made less brittle? A. It can be heated and then cooled quickly. B. It can be cooled and then heated slowly. C. It can be heated and then cooled slowly. D. It can be cooled and then heated quickly. If you don’t want people to know too much about you，then you had better keep your fridge contents secret according to a British market research document released last week( Researchers peered (凝视)into the fridges of 400 people in Britain and compared the contents with the owners’ lifestyles(They claim to be able to classify the nation’s people by fridge contents( They say those people can be separated into five categories:nutrition nerds (no social sense)，food faddiest (whatever’s in style)，martyr mums，fast food fanatics and restaurant regulars( Nutrition nerds care much about what they put into their bodies(Their fridges are stocked with fruit，vegetables and healthy meat( People in this category tend to be highly organized and usually work in law or accountancy. The vast majority is single, but if they have a partner, that person will be similar. A fridge full of vitamins—enriched juices implies its owner works in media or fashion(They tend not to eat the foods they buy(Known as the food faddies，they just want to be seen as purchasing the latest important things( A fridge filled with everything from steak to frozen fish suggests the martyr mum(Her fridge tends to be stocked with every kind of product，except what she herself would want( This fridge hints at difficulty balancing family and work life(Fast food fanatics always buy mineral water for soda pop;the nearest they will get to fresh fruit is tomato sauce(Their fridges hint at someone who works hard and plays hard(Also，someone who is not into long term planning( Finally，a fridge filled with nothing more than a bottle of white wine and some sparkling mineral water implies an owner who is single，lives in a big city and enjoys the finer things in life(The fridge is empty because this person regularly eats in restaurants( 1(We can know from the first two paragraphs that___.( A(some researchers are fond of staring at other people’s fridges 1 B(people don’s want others to know about their secrets C(the food you put in the fridge has something to do with your personality D(there are mainly five kinds of lifestyles among British people ( 2(According to the passage，people who belong to food faddies___. A(don’t care much about money when buying things B(will try their best to stay healthy C(often stay up late to finish their job D(prefer to ask others about what to do next 3(What will those who often dine out put in the fridge? A(All kinds of food they like( B(Only something to drink( C(Fruit，vegetables and meat( D(Food rich in vitamins( 4(What might be the most suitable title for the text? A(Keep your fridge a secret B(You are what’S in your fridge C(What to put in the fridge? D(Be careful about your fridge 猜词秀 1.通过因果关系猜词.通过因果关系猜词，首先是找出生词与上下文之间的逻辑关系，然后 才能猜词。 (如because，as，since，for，so，thus，as a result，of course，therefore等)表示前因后果。 例如: You shouldn't have blamed him for that，for it wasn't his fault. 2.通过同义词和反义词的关系猜词.一是要看由and或or连接的同义词词组，如happy and gay，即使我们不认识gay这个词，也可以知道它是愉快的意思;二是看在进一步解释的 过程中使用的同义词 如Man has known something about the planets Venus，Mars，and Jupiter with the help of spaceships. 通过反义词猜词，一是看表转折关系的连词或副词，如but，while，however等;二是看 与not搭配的或表示否定意义的词语 如:He is so homely，not at all as handsome as his brother. 3.通过构词法猜词 4.通过定义或释义关系来推测词义 例如:But sometimes，no rain falls for a long，long time. Then there is a dry period， or drought. 5.通过句法功能来推测词义 例如:Bananas，oranges，pineapples，coconuts and some other kind of fruit grow in warm areas. 6.通过描述猜词 描述即作者为帮助读者更深更感性地了解某人或某物而对该人或该物作出的外在相貌或 内在特征的描写。 例如:The penguin is a kind of sea bird living in the South Pole. It is fat and walks in a funny way. Although it cannot fly，it can swim in the icy water to catch the fish. 2