There are several steps in a science experiment. First, we need to prepare the materials. Then, we should read the instructions carefully. After that, we can start the experiment. What is the next step? A. Clean up the lab. B. Record the results. C. Talk to others. D. Do nothing....
选项均以“To+原形动词”开头以及其中的ask him to explain和lab experiment/report表明,本题考查女士的行为目的,该行为目的与实验室实验或报告有关。对话一开始.女士说她为了实验室的试验(lab experiments)来找男士,因为她得到的试验结果与其他人都不同,所以她想从男士这里寻求建议,由此可知,女士是为了问一些做实...
Look at the following steps of the experiment. Which one is the second step? A. Pour the water into the cup. B. Add some salt to the water. C. Mix the water and salt well. D. Heat the mixture. 相关知识点: 试题来源: 解析 A。本题考查实验步骤的顺序。第一步通常是准备材料,这里没...
解析 A。本题考查动词的用法。“follow”有“遵循、跟随”的意思,“follow the steps”表示“遵循步骤”,符合科学实验的语境。“make the steps”(制作步骤)、“do the steps”(做步骤)和“have the steps”(有步骤)在这种语境下都不太恰当。反馈 收藏 ...
A. four B. five C. six D. seven 相关知识点: 试题来源: 解析 B。本题考查数词的用法。科学方法通常有提出问题、作出假设、制定计划、实施实验、得出结论等五个步骤,所以 B 选项 five 正确;A 选项 four 太少;C 选项 six 和 D 选项 seven 不符合科学方法的一般步骤数量。反馈...
因为后面的to doing the experiment 是前面steps的定语 并且此地to是介词,不是动词不定式,所以用to doing. 类似的还有,the key to the door,the answer to the question,to都是介词. 分析总结。 并且此地to是介词不是动词不定式所以用todoing结果一 题目 there are only a few steps to doing the experiment...
根据第一框中Add a few drops of food colouring into the other glass.(在另一只玻璃杯中加入几滴食用色素。)可知,实验需要食用色素。故选B。(2)推理判断题。根据第二框中The coloured water and the colourless salt water stay apart(分离)because salt water is heavier.The heavier salt water stays at...
A. careful B. carefully C. more careful D. more carefully 相关知识点: 试题来源: 解析 B。本题考查副词的用法。careful 是形容词,carefully 是副词,此处修饰动词 follow 要用副词,A、C 选项错误。根据句意,没有比较的意思,D 选项 more carefully 是比较级,不符合,故选 B。反馈...
In a science experiment, we usually do the following steps in order: observe, hypothesize, experiment, and ___. A. conclude B. begin C. start D. try 相关知识点: 试题来源: 解析 A。本题考查科学实验的步骤表达。在科学实验中,通常的步骤是观察、假设、实验然后得出结论。选项 B“begin”和选项...
B. The results of the experiment. C. The equipment used in the experiment. D. The significance of the E. xperiment. 相关知识点: 试题来源: 解析 D。选项 A 实验步骤是具体内容;选项 B 实验结果是一部分;选项 C 实验所用设备是细节;选项 D 实验的意义更能体现整个听力材料的主旨。反馈 收藏 ...