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7. of the area is covered by water. A.Two-thirdsB.Two third C.Two thirdsD.Two-third 答案：A 本题考查了分数的表达法，即分子大于1，分母加s。 8.He looked quite young though he was . A.in seventyB.at the age of seventy C.in seventiesD.at the age of seventies 答案：B “他70多岁时”应该是in his seventies,选项A不正确;at the age of seventy意思是“在70岁时”。 9.There is a learning tower about . A.180 feet highB.180 foot high C.180-feet high D.180-foot high 答案：A 180 feet high意为“180英尺高”。 10.(北京东城模拟)— Della，I’m thinking of taking five courses next term. — Wouldn’t four be ? A.wiseB.wiser C.the wisestD.the wiser 答案：B 用形容词比较级，表示更明智。 Ⅷ.根据括号内所给的汉意完成句子 1.The soup is a little fresh，so you’d better (加点盐). 2.Madam Curie made a great contribution (在科学领域). 3.Iron does not rust (在没有空气的水里). 4. (他有什么反应)the experimental equipment you offered? 5.He is an excellent chemistry teacher，so (能成为他的学生我很骄傲). 6.When we put salt and sugar into water，they easily (溶解)in it. 7.Our school is (他们学校的两倍大). 答案：1.add some salt to it 2.in the area/field of science 3.in the water without air/in airfree water 4.What was his reaction to 5.I’m very proud of being his student 6.dissolve 7.twice as big as theirs/twice bigger than theirs /twice the size of theirs Ⅸ.根据括号中的单词或短语写一合适的句子 1.—I’ve been told that I failed the driving test. — (sorry，hear that) 2.You are walking so fast that I .(not，catch up with) 3.—Next Sunday is my best friend’s birthday. — ? (how about，birthday cake) 4.—Look! Why do the farmers cover their windows with plastic cloth? — .(keep out of ，the cold air) 5.I used to do anything all by myself，but now . (be used to，work with others) 答案：1.I’m sorry to hear that. 别人说考试没通过，自己应该对此表示遗憾。 2.can’t catch up with you so...that表示“如此……以至于”，即答语意为“你走得太快我跟不上”。 3.How about buying her a birthday cake? 此句型表示提建议，即答语意为“给她买个生日蛋糕怎样?” 4.To keep out of the cold air. 即答语意为“为了挡住冷空气，农民们用塑料布把窗户盖起来”,不定式表示目的。 5.I am used to working with others be used to doing意为“习惯于做……”,本句意为“以前一切事情我都是自己做，可现在我习惯于同别人合作”。 综合•应用•创新 Ⅰ.根据课文内容填空 It is hard to think of a world without .Different metals have different .When we use metals，it is to know how they with different .The reaction of metals with water and oxygen can be put in .From the ,we can find potassium react the with oxygen and water while doesn’t react with water.When we calcium in oxygen，it burns to an oxide. There is a simple scientific about iron.Iron doesn’t rust in dry and water，but rusts in water. 答案：metals;uses;important;react;substances;order;table;most;copper;burn;form; experiment;air;air-free;ordinary (责任编辑：admin) |