20xx上海中考英语词汇与语法冲刺练习16(编辑修改稿)内容摘要:
) teacher told us ______ Exercise 1 in our exercise books. A. do B. to do C. doing D. does ( ) found _____ very difficult to learn maths well. A. what B. it C. that D. this ( )39。 m ______ to trouble you. A. glad B. afraid C. fear D. sorry ( )16.- Please write to me when you have time. - Sure. But ________is your Email address? A. when B. where C. what D. which ( ) is _______to work out this problem. You needn39。 t go to the teacher. A. enough easy B. easily enough C. easy, enough D. very easily ( ) visitors are very ______ to see so many changes _______ in Shenzhen since 1979. A. surprise。 have been taken place。20xx上海中考英语词汇与语法冲刺练习16(编辑修改稿)
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1 1 2 2 1 2 1 22( 39。 ) ( 39。 ) ( ) ( )t t t t t d m m m mq U q B ⑩ 点拨: 质谱仪的主要原理是带电粒子在磁场中的偏转,在现代技术中有着重要的应用,处理问题时要注意对带电粒子运动过程以及工作原理的分析。 同时在物理学习中, “同中求异,异中求同 ”是解决问题的重要思维方法。 例 3: