题目

Since the end of 2019, a terrible disease has been spreading all over the world. It’s caused by a virus that has not been found before in humans. 【1】.What are the symptoms?The virus is from a family called the corona viruses. The symptoms of this illness are pretty ordinary on the face of it: it’s dry cough, fever and then breathing problems. 【2】. However, as for the more severe cases, people have gone on to develop viral (病毒性的) pneumonia, and all the deaths have been among those people.Who does this virus attack?As we can see, older people are ending up in hospital with th如果将一定重量的黄豆全部萌发生成黄豆芽，黄豆芽中的有机物总量、有机物种类分别比黄豆中的  （  ） A．多、多 B．少、多 C．多、少 D．少、少