and represent a cornerstone of chemistry and physics. A gas law experiment shows what happens to one property, such as the volume, when you change another, such as temperature, while keeping the remaining one the same. The experiments described here are safe and inexpensive and use no harmful...
题目They do chemistry experiments in ___. A. the lab B. the cafeteria C. the dormitory D. the office 相关知识点: 试题来源: 解析 A。做化学实验通常在实验室进行,the cafeteria 是餐厅,the dormitory 是宿舍,the office 是办公室,都不适合进行化学实验。反馈...
7. They are doing chemistry experiments in the l___.8. Peter to Beijing and ___ (参加) an important meeting.9. I didn't sleep well last night. So I felt very s___ in class. 相关知识点: 试题来源: 解析 7. laboratory 8. attended 9. sleepy 7. 题目要求填写一个地点,根据上下文...
解析 【答案】lab【核心词汇/短语】dochemistryexperiments做化学实验【翻译】他们正在实验室做化学实验。【解析】根据句意可知,他们是在做化学实验。根据常识可知,化学实验一般都是在实验室里做的。实验室,lab。根据句意可知,本空应该用名词单数形式。故填lab。
We can do chemistry experiments in the ___. A. classroom B. library C. laboratory D. playground 相关知识点: 试题来源: 解析 C。我们可以在实验室做化学实验。教室是上课的地方,图书馆是读书和借书的地方,操场是进行体育活动的地方。反馈 收藏 ...
Homemade Ice Cream in a Plastic Bag Nicholas Eveleigh / Getty Images Science experiments can taste good! Whether you're learning aboutfreezing point depressionor not, the ice cream is a delicious result either way. Thiscooking chemistry projectpotentially uses no dishes, so cleanup can be very ...
题目Chemistry experiments are very interesting ___. A. subjects B. activities C. books D. teachers 相关知识点: 试题来源: 解析 B。化学实验是非常有趣的活动。“activities”活动正确。“subjects”学科,“books”书,“teachers”老师,不合适。反馈...
Chemistry experiments are fun. However, they must be done carefully. A. As B. Because C. But D. Since 相关知识点: 试题来源: 解析 C。A 选项“As”表示“因为,随着”;B 选项“Because”表示“因为”;C 选项“But”表示“但是”,有转折之意;D 选项“Since”表示“自从,因为”。题干中说化学...
Chemistry experiments are both exciting and educational. However, it is important to follow certain steps and precautions to ensure safety and accuracy. The first step in any chemistry experiment is to gather all the necessary materials. This includes chemicals, glassware, and any other equipment nee...
根据句意及首字母或汉语提示完成单词。 1. They are doing chemistry experiments in the l . 2. I didn't sleep well last night. So I felt very s . 3. I like to wear my red (外套). 4. It's a very warm evening, so why not eat (在户外)?相关知识点: ...