【判断题】自变量又称独立变量,它是由研究者选定,并进行操纵、变化的能产生所欲研究的教 育现象的因素,或因素的组合。( )
【单选题】( )工作的突出特点是注重定量研究,善于发挥天平在化学研究中的作用,被后人又称为“定量化学之父”
【简答题】信息匹配; 左栏是一些人物的假期计划,右栏是一些旅行社的广告,请将人物与其感兴趣的广告进行匹配。 ( ) 1. Mary likes animals very much. She wants to see all animals can live in the wild happily. ( ) 2. Sally is going somewhere exciting. She w...
【简答题】根据句意及汉语提示填空 1. Driving carelessly __________(引起) accidents. 2. It's our __________(职责) to save our earth. 3. They think walking is a good way to relax __________(他们自己). 4. Germs can get into the human...
【判断题】土壤含水量又称土壤含水率,是衡量一定量的土壤中所含水分的多少。土壤含水量是研究土壤水分变化的基本指标,广泛应用于灌溉排水工程或作物需水量以及灌溉制度的研究之中
【简答题】听材料,回答问题。 1. Obama visited China for _______ in November, 2009. A. four days B. four weeks C. 50 minutes 2. Obama visited the Forbidden City and the Great Wall _______. A. to show respect to China...
【简答题】听一段对话,回答第1-3 题。 1. How many tests should the boy take before the big exam? A. 1 B. 2 C. 3 D. 4 2. Why does the boy feel worried? A. Because he can do nothing with the exam. B. Because he doesn’t know ...
【简答题】用所给词的适当形式填空。 小题1:It’s pleasant to live in __________houses near the sea.(wood) 小题2:It’s an __________ (usual) day today. It’s my mother’s birthday. 小题3:It’s __________(straight) of all the roads. 小题4:...