题目内容
关于分散垂直气流法则说法正确的是()。
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紊流粗糙区的沿程阻力损失与流速平方成正比?
His mind was ______ (1) in a body that didn't work. Speaking was difficult and took time. People were ______ (2) and didn't listen. He felt different was different from the kids who ______ ______ (3) in the halls and planned dances he would never attend.What could his ______ (4) be? Porter wanted to do some- thing and his mother was certain that he could_____ _____ ____ ____ (5). With her encouragement, he _____ _____ (6) a job with the Fuller Brush Co. only to be turned down. He couldn't carry a ______ (7) briefcase or walk a route, they said.Porter knew he wanted to be a salesman. He began reading help wanted ads in the newspaper. When he saw one for Watkins, a company that sold household products _____________ (8), his mother set up a meeting with a ______ (9). The man said no, but Porter wouldn't listen. He just wanted a chance. The man ____ __ (10) and offered Porter a section of the city that no salesman wanted.
It's been a long day and I'm glad to be back home and get the weight ____ my ____ (1). Not that I've finished yet. there are still all those orders to type up and I must remember to add my ________ (2) to my claim for ________ (3) before I post it off. Otherwise, my firm will be __ ___ _____ (4) to me about it. Not that they have much to complain about. I always manage to sell quite a lot, except that time I was ___ ___(5) after ________ (6). I'm the only representative the firm has out on the streets nowadays and I still manage to cover a large ________ (7) despite my _________ (8). It's hard work and long hours, no time to linger in bed in the mornings. Yet, I've never regretted _______ ___ (9) the job all those years ago. Supporting myself enables me to keep my ______ (10).
以下属于幼儿园主题活动特点的是（）。
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