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【简答题】
B. Rewrite the following sentences after the models, using the structure “remember doing something” or “remember to do something”, according to the meaning of the sentence. Model 1: Do you remember that you were taken to the sea for the first time when you were three? Key: Do you remember being taken to the sea for the first time when you were three? Model 2: Do remember that you need to take with you the key to the front door before you start out. Key: Do remember to take with you the key to the front door before you start out He remembered that he lent her several books two months ago, but he couldn’t remember what they are He remembered her several books two months ago, but he couldn't remember what they were.
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【单选题】按建筑物的用途分类，建筑可分为( )。
A.
砖土结构建筑、木结构建筑、钢结构建筑
B.
生产性建筑、居住建筑和公共建筑
C.
住宅建筑、公共建筑及综合性建筑
D.
抗震建筑
【简答题】建筑结构按照主要承重构件所采用的材料不同,一般可分为 、 、 、木结构及砖石结构五大类。
【简答题】请将连接下列昆虫与其正确的触角类型
【单选题】制冷系统的充注过程中，错误的选项是（ ）
A.
将抽真空管道与制冷瓶连接，连接完成后打开氟利昂钢瓶
B.
打开钢瓶后进行空气排放 2 到 3 秒
C.
从高压侧进行氟利昂充注，打开电子秤，系统清零
D.
打开低压侧阀门向系统充注氟利昂，关闭充注阀门，操作过程结束。
【简答题】____are two sub-branches of linguistics that study the units at the grammaticallevel.A. a. Morphology and semantics B. b. Morphology and syntax C. c. Semantics and syntax D. d. Morphology and phonolog...
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