【单选题】The relationship between internal force and stress is that
A.
The internal force is smaller than the stress.
B.
The internal force is the algebraic summation of the stress.
C.
The internal force is a vector and the stress is a scalar.
D.
The stress is the internal force per unit area.
【简答题】阅读理解。 Basketball players are usually very tall. Because they need to put the ball into the basket. Other sports players may be shorter than them. Short people often have better balance than tall peop...
【单选题】()的特点是酒店以低价格和高促销费用推出新产品,目的在于先发制人,以最快的速度打入市场。
【简答题】Here are the table tennis players , some____ ____are our old friends.(介词加关系词)
【判断题】Economic changes are an internal force of change.
【判断题】The stress is the intensity of the internal force per unit area.
【单选题】They all believed that internal peace and stability cannot be _______ by force.
【判断题】The internal force concentration caused by internal force is called stress.
【简答题】Here are the table tennis players, some __ _____ are our old friends.
【单选题】听力原文: Tennis is an international sport and each year there is a regular program of tournaments and championships. Players' performance in these events determines their seeding, or world ranking. If yo...
C.
The Wimbledon Championships.