Unit 7Section B 同步练习 2022-2023学年人教版八年级英语下册

Unit7Section B同步练习2022-2023学年人教版八年级英语下册 一、单项选择 1．—What’s the weight of your daughter when she was ________ birth? —She ________ about 2.5 kg. A．in; weight B．at; weighted C．at; weighed D．in; weighs 2．When we first learn how to ride a bike, we may ________ again and again. A．fall down B．fall off from C．fall from D．fall over 3．High-speed railways have developed rapidly in our country. Today China has ______ high-speed rail network (铁路网) among the countries in the world. A．long B．longer C．the longer D．the longest 4．Sam is doing some __________ about the ancient Silk Road. A．exercise B．operations C．research D．experiments 5．— Nowadays Chinese children are much busier on weekends than weekdays. — Parents should ________ the number of classes in the training school. A．cut down B．cut off C．cut out D．cut up 6．—Why did the boys shout in ________? —Because they won the football match. A．pressure B．fairness C．silence D．excitement 7．She took a deep breath to calm herself, but her voice still sounded ________. A．excitement B．excited C．exciting D．excitedly 8．Ma Yun, head of Alibaba, is one of ________ persons in the world. A．rich B．richer C．richest D．the richest 9．Tina and Tom saw a tall alien with a round head and a silver body, and ran away ________. A．at birth B．on business C．in fear D．by chance 10．— It’s said that only a few pet dogs can live up ________ 20 years old. — That’s true. Most of them die ________ illnesses before they get old. A．with; of B．to; of C．to; with D．with; in 11．It’s _____for you to keep secrets for your friends. In this way，you can win their trust. A．strange B．necessary C．possible D．lucky 12．Amy’s been ________ for a month. She’s got a serious blood ________. A．ill; sickness B．sickness; illness C．sick; disease D．illness; disease 13．You will still miss the flight___________you catch a Didi car. A．even if B．as if C．until D．before 14．— What do you think of the film you saw yesterday? — Oh! It’s one of ________ films I’ve ever seen. A．interesting B．more inte