测电导率时，通过温度补偿可以（）A.校正电导池常数 B.直接测得水样在25ºC时的 发布时间：2017-11-14 13:30 │ 来源：www.tikuol.com 题型：单项选择题 问题： 测电导率时，通过温度补偿可以（）A.校正电导池常数 B.直接测得水样在25ºC时的电导率 C.直接测得水样在当前温度下的电导率 D.直接测得水样在20ºC时的电导率
题型：单项选择题 完形填空。 Please help! Ladies and gentlemen, thank you very much for coming to this concert. I hope you have enjoyed the music. The purpose of this concert is to 1 money for children in Africa. Every day 2 children in Africa die because they have diseases or have not enough 3 . There are two main reasons. First, there are no jobs for the children's parents, so they have no money to buy food or 4 . Second, the governments in many African countries do not have the money to take care of poor people. Most African countries are poor. The land is not good for 5 food and the weather is also bad for farming. The organization we are trying to help, the Feed Africa Fund, 6 a lot of money every year on food for poor people in Africa. The money comes 7 people like you kind, generous people who do not want to see children die form hunger. Just one dollar can buy enough rice or corn to 8 a family of four for three days. How much do you spend on food every day? Ten dollars? Twenty dollars? I am sure you can spend a little 9 on your own food so that you have a few dollars for The Feed Africa Fund. Ladies and gentlemen, we will now take a 10 . Please be generous. Thank you. ( )1.A. spend ( )2.A. hundred ( )3.A. to play ( )4.A. clothes ( )5.A. eating ( )6.A. costs ( )7.A. to ( )8.A. build ( )9.A. more ( )0.A. show B. pay B. hundred of B. to eat B. medicine B. drinking B. borrows B. from B. develop B. fewer B. collection C. borrow C. hundreds of C. to drink C. houses C. growing C. lends C. with C. feed C. less C. look D. raise D. hundreds D. to pay D. furniture D. watering D. spends D. about D. organize D. most D. seat 查看答案
题型：单项选择题 一次，电台请了一位商界奇才做嘉宾主持讲成功之道，他说，“还是出一道题考考你们吧。某地发现了一处金矿，于是人们一窝蜂地涌去开采。然而，一条大河挡住了必经之路，如果是你，该如何是好”有说绕道走的，也有说游过去的，他却说：“为什么非得淘金，不可以买一条船营运那样的情况下，你就是把渡客宰得精光，他们也会心甘情愿，因为前面有金矿啊!” 这段话表明的道理不包括( )。A．干他人不想干的，做他人不曾想的，这就是成功之道B．困境在智者眼中往往意味着一个潜在的机遇，只是我们不曾想起C．正是这不经意的想法，会让你在不经意间解决了问题D．培养多元思维，学会从多种角度认识事物，你才能成功 查看答案