直径为d 的圆轴，两端受扭转力偶矩T作用，下列结论中哪些是正确的？ 答：（ ）。(1)轴内只有切应力，无正应力。(2)轴内横截面上有切应力，无正应力。(3)轴内有正应力，最大正应力的值与最大切应力的值相等。(4)轴内最大切应力。 Mostly...
Why are the bees called “Africanized Honey Bees”?Why are the bees called “Africanized Honey Bees”?A. They are defensive when they feel threatened.B. It is the interbreeding between European bees and African bees.
Official answer: Nipple pain is a common complaint, especially in pregnant, menstruating, or breast-feeding women. But there are other...
To some NFTs are a brilliant innovation which has promised to put a value on digital artefacts. To others they’re little more than a dubious pyramid scheme with a damaging impact on the environment because of the way the tokens ...
using very loose brush strokes that suggest rather than delineate it. Monet explained the title later: “I had sent a thing done in Le Havre, from my window, sun in the mist and a few masts of boats sticking up in the foreground… They asked me for a title for the catalogue, it cou...
you just feel this sense of joy in your movement, and it's one of the greatest games ever made. And a lot of games from 35 years ago are basically unplayable now. They might have been a step to something greater, but Mari...
Human, don’t forget, do the same thing or, at any rate, similar thing. Whenever we see or hear something that makes us angry, our back, involuntarily, stiffen, as our muscles tense up. Instantly we become combative. We are ready to fight back.In our example, the speaker says they ...
1. Some students are called “strawberry kids” because ___. A.they easily break down in face of difficulties B.they are out of shape under the great pressure C.they all like to eat some fruit, for example, strawberries D.they are weak and need to be protected like strawberries2. Whic...
An exchange rate is the value of one currency in relation to the value of another currency. Most exchange rates are floating and rise or fall based on the supply and demand in the foreign exchange market, but some are pegged to another country’s currency or are fixed in value. ...
Importantly, renouncing U.S. citizenship is almost always irreversible. Once you renounce, you cannot easily regain your citizenship.8Despite these (and other) consequences, more and more people are choosing to renounce their U.S. citizenship. Here’s why. ...