青少年补钙是必要的,但过量补钙对身体有害。这说明 A.人们对钙的认识又待进步 B 发布时间:2017-05-18 21:11 │ 来源:www.tikuol.com 题型:选择题 问题: 青少年补钙是必要的,但过量补钙对身体有害。这说明A.人们对钙的认识又待进步B.补钙要注意适度原则C.补钙都有潜在的危险性D.为防微杜渐,应尽量少补钙
题型:选择题 阅读理解。Welcome to the zoo Come and meet the Indian (印度的) elephants and the new tigers from America. The bears are waiting to meet you, and the monkeys from China are waiting to throw things at you. The lovely dogsfrom Australia are waiting to laugh at you. The giraffes from Zambia are waiting to look down on. TicketsOpening timeAdults:$2.00Children:$1.00Under 12: Free Friday, 10:00a.m----3:00p.m. The other days9:00a.m----4:00p.m. Keep the zoo clean! Do not touch, give food to or go near the animals.根据短文内容完成选择。1. How many kinds of animals are talked about in the passage?A. Four B. FiveC. Six D. Seven2. Now Mr. Smith is in the zoo with his two sons, one aged 14 and the other 10. How much are the tickets altogether (总共)?A. $4.00 B. $2.00 C. $3.00 D. $1.003. Which of the following is a visiting time?A. 8:30 a.m. Monday. B. 9:30 a.m. Friday.C. 5:00 p.m. Tuesday. D. 2:00 p.m. Sunday.4. From the passage we can guess the animal "giraffe" must be very _____.A. fat B. long C. tall D. strong5. Which of the following can we do in the zoo?A. Take a few nice photos. B. Give some food to the fishC. Touch the monkey on the head. D. Throw things everywhere. 查看答案
题型:选择题 新中国成立后的三十年经济缓慢发展和改革开放后的三十年经济飞速发展的历史和现实证明了一条哲学道理,那就是 A.生产力决定生产关系,生产关系必须适应生产力的发展B.生产关系决定生产力,生产力必须适应生产关系的发展C.生产力决定生产关系,生产关系完全依赖生产力的发展D.生产力决定生产关系,生产关系有时也决定生产力 查看答案
题型:选择题 若有以下说明和语句: struct st int n;char *ch;; struce st a[3]=5,"abc",7,"def",9,"ghk",*p=a; 则值为6的表达式是______。A.p++->nB.p->n++C.(*p).n++D.++P->n 查看答案