(use).For example,steel 3.
(use) in cars,and iron is used in 4.
(electric) equipment.When we use metals,5.
is important to know 6.
they react with different substances,for example,water and oxygen.7.
reaction of metals with these substances can 8.
(put) in order.Potassium,sodium,calcium,magnesium,aluminium and zinc react most,9.
iron and copper react 10.
(little). important uses is used electrical it how The be put and least 课文语法填空 答案 返回
aim n.目的;目标;瞄准;v.瞄准;针对;努力 1. 应试指导 活动类写作高频词汇 边讲边练
突破核心考点 (1)with the aim of以期……;意在…… take aim at把目标对准…… without aim漫无目的地 (2)aim at doing sth./aim at/for sth.力求达到,力争做到 aim to do sth.志在,目的在 be aimed at目的是;旨在 (1)Now we have to take aim at the difficult problem and try to get it solved. 现在我们不得不正视这个难题并试图解决它。 (2)The programme is aimed at teenage audience. 这个节目针对的是十几岁的观众。 (3)I aim at learning ten new words by heart every day. =I aim to learn ten new words by heart every day. 我的目标是每天记十个新词。 [图解助记] [特别提醒] (1)由于aim可用作及物或不及物动词,所以类似以下这样的句子可用主动语态或被动语态: My remarks were not aimed/didn’t aim at you. 我的话并非针对你说的。 (2)在take aim中,aim前不能加冠词,即使aim前有形容词,也不可加冠词。 多维训练 (1)单句语法填空 ①This activity is aimed at
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