2020年秋人教版九年级英语下册（山西）习题：Unit11 6第五课时

2020年秋季教育版9年级英语第2卷(山西)练习：Unit11 6 5课名称：_类3360_性： _ _ _ _ _ _ _ _类一、单一主题1.as it was rainy，_ _ _ _ _ _ students wanted to have a picnic。A.littleB.fewC.severalD.many2.the girl is afraid _ _ _ _ _ _ _ herparents about it。A.扭矩环withB.to talk aboutC.to talk withD.扭矩环about3.a military lover bought a tank on the internet。he opened it and found much inside。A.gunB.金牌(gold)C.硬币D.body4.guess the meaning of the word in bold(粗体)in the sentence of I have few close friends，but many acquaintances at school that I like to toA.a music金钥B.persons slightly knownC.a kind of objectD.very bad5.it will _ _ _ _ _ _ _ _ much time if web drive instead of walking。A.外卖B.spendC.save二、阅读电台In fall 2006，the national baskeball association(NBA)started using baskeball s made with synthetic，or man-made，matematesthey made the change be-cause they wanted every baskettball they use to feel and bounce the same。not all leather bal Ls are exactly alike in weight or how they bounce，but the synthetic balls are.However，some players complained right away that the new balls bounced differently and were actually harder to control than the leather ones。physics helpped answer questions about why the new balls felt different . for example，the scientists studied friction，Which in this casethe greater the friction，the better it will stick to his hand， explains a scientist.tests on both wet and dry balls showred that while the synthetic ball was easier to hold onto when dry，It had less friction and becomame much harderthat s because sweat stays on the surface of the synthetic balls but gets taken into the leather balls .the scientists also tested bounce and found that the logo(商标)printed on the new balls made their surface uneven(不公平)and caused themIn January，the NBA went back to using the leather bals。they arent perfect，but for now，thats just the way the ball bounces.6.why were the synthetic balls expected to be used in NBA according to the text？A.because they are easier to control。B.because they waste less material。C.because they look exactly alike。D.because they feel and bounce alike。7.the ball is easier to hold on to _ _ _ _ _ _ _ _ _A.when friction is greaterB.when friction is lessC.when it is heavierD.when it bounces strangely8.the synthetic ball bounces differently from the leather one mainly because _ _ _ _ _ _ _ _ _A.it is wetB.it is dryC.theres a logo on itD.its weight remains the same9.the underlined word sweat refers to _ _ _ _ _ _ _ _ _ _ _ _。A.灰尘B.细菌C.汗水D.优秀10.it can be inferred from the text that _ _ _ _ _ _ _ _ _ _。A.a synthetic ball takes in water faster than a leather ballB.a leather ball is more difficult to make than a synthetic oneC.a synthetic ball is more expeensive than a leather ballD.a leather ball may increase its weight during a game第三，用给定单词的正确形式填空。complete the sentences with the given words in their proper forms(以括号中给定单词的适当形式完成以下句子，每个空格限制为一个单词)11.people are the creators of history . they are the real _ _ _ _ _ _ _ _ _(hero)12.the may _ _ _ _ _ _ _ _ _ _ movement is also called the new culture movement。(four)13.the host added，“well，I hope you will both enjoy _ _ _ _ _ _ _ _ _ _ _ .”(you)14.we re expecting a new _ _ _ _ _ _ _ _ _ _ _ _ in the family soon。(arrive)15._ _ _ _ _ _ _ _ _ _ thinking has become an objective of our education system。(create)16.it was _ _ _ _ _ _ _ _ _ _ that he should suffer so much。(fair)17.young people must have real opportunities to _ _ _ _ _ _