2023-06-27
某水闸检修工作，矩形检修闸门关闭时的静水压强分布图的面积为60.03kN/m，闸门宽b=4.5m，求单孔闸门所受的静水总压力大小。
A.270.14kN
B.135.06kN
C.540.23kN
D.260.13kN
270.14kN
青春期儿童的特点包括（）
2024-01-13 竞赛及其他题库
学龄儿童发展经历了哪几期（）
All public speeches share a lot of things in common as they are different in mode and in purposes.
In mode of spontaneous commentary， they may be about different activities， such as different types of sports， parades and rallies， the launching of a rocket， etc.
There are many types of oral genres.Of the following choices， which does not belong to oral genres？
For the features of words used in the public speech， big words are often used in complex structures， and there are also unfamiliar words， nominalized words， abstract words， etc.
“You-Attitude” is a very important principle in business communication， that is， we should think ourselves back into the shoes of others so as to cooperate sincerely.
Which is not Cliché？
Business English is a general name for a variety which consists of many subcategories.In terms of mode， it includes business letters， business reports， business contracts， business advertisements， etc.
Statutes were written in（）until about 1300， in French until 1485， in English and French for a few years， and in English alone from 1489.
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