Stirring rod C. Chopsticks D. Pencil 相关知识点: 试题来源: 解析 B。“Spoon”是勺子;“Stirring rod”是搅拌棒;“Chopsticks”是筷子;“Pencil”是铅笔。正确答案是 B,搅拌棒专门用于搅拌液体。涉及词汇有 spoon、stirring rod、chopsticks、pencil,语法是特殊疑问句,考查实验仪器用途。
What tool is used to stir a solution? A. stirring rod B. spatula C. dropper D. clamp 相关知识点: 试题来源: 解析 A。A 选项 stirring rod 是搅拌棒,用于搅拌溶液;B 选项 spatula 是药匙;C 选项 dropper 是滴管;D 选项 clamp 是夹子。
题目What instrument is used to stir solutions? A. stirring rod B. spatula C. pipette D. tweezers 相关知识点: 试题来源: 解析 A。stirring rod 是搅拌棒,用于搅拌溶液。spatula 是药匙;pipette 是移液管;tweezers 是镊子,都不是用来搅拌的。
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What is glass transition? Glass Transition Occurence: For polymers, the party is over when the temperature falls close to or below the Tg, and the long-range segmental motion stops. The polymer transforms from being soft and pliable to being hard and brittle when this long-range motion stops...
Chlorinated polyethylene (CPE) is a low-cost variant of polyethylene where some of the hydrogen atoms are replaced with chlorine. The chlorine content in CPE ranges from 34 to 44 percent. CPE is added to polyvinyl chloride to strengthen its impact and weather resistance because of its supple, ...
, and the follow-up question “Is what we’re doing effective?”. The assumption that students will learn what they’re taught is left unchallenged, and those delivering SLTE concentrate either on coping with the trials and tribulations of being a language teacher (keeping fresh, avoiding burn...
What is Wholesale 470ml Creative Cute Honeycomb Honey Jar Honey Jam Jar with Glass Dipper Stirring Rod and Lid, Onsite Product Video manufacturers & suppliers on Video Channel of Made-in-China.com.
Aclichéis a tired, stale phrase or idiom that, because of overuse, has lost its impact. What was once a fresh way of looking at something has become a weak prop for writing that feels unimaginative and dull. Clichés are what you write when you don’t have the energy or inspiration to...
The proton-to-electron ratio is always one to one, so the atom has a neutral charge. For example, a carbon atom has six protons and six electrons. It's not that simple though. An atom's properties can change considerably based on how many of each particle it has. If you change the...