【名词&注释】
铁矿石(iron ore)、半导体(semiconductor)、制冷剂(refrigerant)、人工降雨(artificial rainfall)、根深蒂固(inveteracy)、无动于衷(sit by)、可数名词(countable nouns)、玲珑剔透(exquisitely carved)、铁制品(iron sheet ware)、惟妙惟肖
[单选题]下列词语中没有错别字的一项是
A. 枯涸 玲珑剔透(exquisitely carved) 来势凶凶 沥尽心血
B. 憧憬 杳无音信 惟妙惟肖 跚跚来退
C. 禁锢 暗然失色 无动于衷 相形见绌
D. 鸟瞰 根深蒂固 面面相觑 奄奄一息
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举一反三：
[单选题]41． —1 hear _________ your grandpa _________ your grandma like watching Min Opera．
—Right，just as many old people do in Fuzhou．
A. both，and
B. either，or
C. neither，nor
D. not only，but also
[单选题]下列有关铁的说法错误的是
A. 地壳中铁元素含量排在第四位
B. 在铁制品(iron sheet ware)表面镀锌可防锈
C. 用铁矿石与焦炭在高炉内炼钢
D. 生铁的含碳量比钢的含碳量高
[单选题]BRadio and television are very popular in the world today． Millions of people watch TV．Perhaps more people listen to the radio．The TV is，of course，more useful than the radio． On TV you can see and hear what is hap-pening in the world．Now radio is still with us． And the number of listeners is becoming larger． One reason for this is the invention of the transistor(半导体) radio． A transistor radio is sometimes very small． It is very easy to carry． You can put one in your pocket and listen to it on the bus or on your bike when you go to work． It is better．for blind people． The sight(视力J) of many old peo-ple is not good enough to watch TV． Then，when people are working，they can't watch TV， but they can listen to music or news over the radio． What-s more，radio is much cheaper than TV．
A. Radio and television__________ in the modern world today
C. are both widely used
D. are both expensive
E. have been changed a lot
F. are used for learning things
[单选题]下列关于二氧化碳的说法正确的是（ ）
①二氧化碳有毒，不能供给呼吸 ②将二氧化碳通入紫色石蕊试液，紫色石蕊试液会变红 ③二氧化碳可用于制汽水 ④二氧化碳气体可作制冷剂
⑤干冰可用于人工降雨 ⑥二氧化碳既可以用排水集气法收集，又可以用向上排空气集气法收集
A. ②③④⑤
①②④⑥
③⑤⑥
②③⑤
[单选题]7．—Are broccoli and carrots __________．—Yes，they are．
A. fruit
B. dessert
C. vegetable
D. vegetables
[单选题]18．
A. say
B. talk
C. speak
D. tell
[单选题]19．
A. on
B. in
C. at
D. to
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