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【单选题】
All portable fire extinguishers must be capable of being（）.A.
carried by hand to a fire
B.
carried or rolled to a fire
C.
recharged in the field
D.
used on class 'B' fires
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【单选题】I called Bruce many times yesterday, but I couldn’t get through. His brother ____ on the phone all the time.
A.
was to talk
B.
was talking
C.
would be talking
D.
had talked
【简答题】梁的拼接有 和 两种形式
【简答题】预制钢筋混凝土装配式楼板有哪几种类型？各有何特点？
【简答题】在一所重点中学的公开课上，一位教师上高一年级学生的田径课，教学内容是弯道跑。教师采用挂图演示法来讲解弯道跑中的力学原理和动作要领。第一张是摩托车弯道拐弯的图像（说明弯道运动的离心力和向心力），第二张是人在弯道跑中的动作（解说要向内倾斜和内侧摆臂要小、外侧摆臂要大等），第三张是弯道跑时的脚步动作的放大图（说明内侧的脚是脚外侧着地、外侧的脚是脚内侧着地）。教师用了10分钟左右的时间演示，但学生并不为之...
【简答题】梁段拼接缝有 和 两种形式，不同的施工阶段和不同部位常采用不同的接缝形式。A. 湿接缝B. 胶接缝
【单选题】— Jack! You are wet through. Didn't you listen to the weather report this morning? — No, I didn't. I was in a hurry. Besides, it ______ when I left. [ ]
A.
was raining
B.
wasn't raining
C.
would rain
D.
Hadn't rained
【简答题】One year ago, I traveled 15,000 kilometers from Australia to the US. I am from a beachside town in the ____ of Sydney, and thought there would be almost no ____ differences between my home count...
【简答题】第一产程从有 开始,至 ,初产妇约需要 ~ 小时,经产妇 ~ 小时。
【简答题】心理学如何运用在教学之中?
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