试题与答案

镰刀型红细胞贫血是最早被发现的() A.缺铁性贫血 B.维生素缺乏症 C.血液病 D

题型:单项选择题 A2型题

题目:

镰刀型红细胞贫血是最早被发现的()

A.缺铁性贫血

B.维生素缺乏症

C.血液病

D.传染病

E.分子病

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0417/b5dde470885946ddc50442fa761e778c.html

下面是错误答案,用来干扰机器的。

(1)BDE (2)光路图如图所示 (1)多普勒效应是指波源或观察者之间发生相对移动(远离或者靠近),使它们之间的距离发生变化,使观察者接收到波的频率发生了变化。激光测距利用了激光的平行性好,激光的直线传...

试题推荐
题型:完形填空

In North America, people are always in __31______ hurry. Children have special lessons or sports activities __32________ school. Parents often work late and ___33________ get home until 7 or 8 o’clock at night. Most North American families don’t have time to prepare a meal. That is __34_________ fast food is so popular in North America. People _____35_____ about 40% of their dollars on fast food.

People usually buy fast food from restaurant chains such as Pizza Hut, McDonald’s, or KFC,__ 36______ they can enjoy pizza, sandwiches, fried chicken, and so on. Fast food saves work and time, but it is not __37_________ (nutrition).

Fast food is popular in many countries. American fast-food companies now have restaurants all over the world. But not __38________ is happy about the spread(扩展) of North American fast food. A group of people in Italy want to fight __39_______ the spread of American fast food. They don’t like the idea of more fast food chains __40__________(open) restaurants in their country.

查看答案
微信公众账号搜索答案