根据Humansarenotthestrongestorthefastestonourplanet.(人类不是地球上最强壮或最快的动物。)可知此处指"虚弱的"。故选D。(2)考查动名词。句意:他们直到公元前13000年才开始种植谷物。A吃;B制作;C种植;D卖。根据RicewasgrowninChinain around11,000BC.(中国在公元前11000年左右开始种植水稻。)可知此处表示"种植...
1.be same with和..一样;humans是复数;因此be动词用are;故填are。 2.句子中有than,因此是比较级;big的比较级是bigger;故填bigger。 3.根据音标是单词important;故填important。 4.谓语动词是have,主语用复数形式;故填roses。 5.句意:虽然他是最高的选手之一,但是他不是最强壮的选手。因此用最高级;故填s...
Genetic engineering refers to various techniques that are used for the alteration or manipulation of living organisms through means of reproduction and hereditary. The term encompasses artificial selection, insemination, cloning, and gene editing. In more modern times, genetic engineering also d...
"I don't think we should revert back to the terrible times of extreme selection" where only the strongest survive, he adds. Crabtree says that simple math makes it likely that humans are getting dumber. In the past 3,000 years, about 120 generations, Crabtree estimates that random,...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
B Read and choose the best answer(阅读短文,根据短文内容,选择最佳答案)Humans and animals are important members of the nature on the earth. But do you know which is the strongest of the animals? We sometimes say the lion is "the king of the jungle"because it is stronger and more dangerous...
The researchers had to use the strongest X-ray machine in the world to study it. The researchers discover that the fish's teeth are very similar to human teeth. * The researchers also say that the teeth of humans and 60,000 species of jawed vertebrates(颌类脊椎动物) living on Earth ...
After hearing these words, I suddenly regained(重新获得) ___, realized strength and courage weren’t measured(衡量)in medals and victories, but in the difficulties we ___. The strongest people were not always the people who won, but the people who never give up when they failed. 1. A....
E.It is always the strongest male that gets the first meal.F.The wolves treat Werner as if he were one of their own.G.Army experience leaves him a strong body and energetic state. 免费查看参考答案及解析 题目: For as long as humans have appeared, we have been the most intelligent ...
Humans have different kinds of relations with different animals, and the strongest obligations of care are owed to animals with human-like traits and that contribute most to human well-being. In the case of animals bred for human consumption, the chapter argues that such subordination is only ...