Yougaingreaterconfidenceinyourself.Also,youbecomemoreoptimisticandcalmerinthemindthanbefore.Thereareseveralreasonsforthesechanges:yourself-imageimprovesasyoustartlivingintidybeautifulrooms,andyougaindecision-makingskillsasyoucontinuetochoosebetweenwhichthingstothroworgiveawayandwhichtokeep.ThewayweletgoofthingsintheKo...
B. v. 做试验;进行实验(2) We decided to experiment with water and test it in the lab.(3) To improve his basketball skills, my brother began to experiment with different shooting skills during practice. 相关知识点: 试题来源: 解析 (2) B (3) B "experiment" 在例句中都表示“进行实验”...
In an experiment, we have a bottle of colored water. What can we do with it? A. We drink it. B. We pour it down the drain. C. We add some more color to it. D. We observe it. 相关知识点: 试题来源: 解析 D。A 选项喝掉不符合实验要求;B 选项倒掉不是实验操作;C 选项再加颜色...
The longer the soil was exposed to radiation and solar wind on the moon, the worse the plants seemed to do. The soil collected by the Apollo 11 mission was the least helpful for growth. It was exposed a couple billion ...
Together, they collected about 150 nurse bees and divided them among six queenless mini beehives equipped with groups of baby bees to look after. They fed the nurses on sugar-water, and for three of the beehives they mixed the sugar-water with P. larvae, a virus that causes a deadly ...
8. Sam conducted an experiment with a similar plant in set-up E and set-up F.The table below shows the conditions present in each set-up.Conditions Set-up E Set-up F Amount of water given daily10ml0ml Amount of soil200g200g Presence of sunlight Yes Yes Presence of air Yes Yes Sam...
NARRATOR: Listen to part of a lecture in a botany class.FEMALE PROFESSOR: OK. Last time we talked about photosynthesis, the process by which plants use light to convert carbon dioxide and water into food.Today I want to talk about another way light affects plants.I am sure you all know ...
For the first time, scientists have grown plants in moon soil collected by NASA's Apollo astronauts. 科学家首次在美国宇航局阿波罗号宇航员收集的月球土壤里种出了植物。 The scientists had no idea if anything would grow in the moon dirt. 科学家不知道月球土壤里是否能长出东西。 They wanted to ...
Plant somatic embryogenesis is a process in which somatic cells of a variety of tissues are cultured in vitro to undergo de-differentiation and then re-differentiation into somatic embryos and can develop into whole plants [1]. In plants, callus formation is a key step in the cell ...