What is a possible consequence of melting glaciers? A. Rise in sea level. B. Decrease in ocean salinity. C. Increase in precipitation. D. Lower temperatures. 相关知识点: 试题来源: 解析 A。解析:冰川融化会导致海平面上升。选项 B 冰川融化对海洋盐度的影响较小。选项 C 冰川融化不一定会增加...
The melting of glaciers is a sign of climate change. What’s the meaning of “melting”? A. freezing B. thawing C. hardening D. cooling 相关知识点: 试题来源: 解析 B。“melting”意为“融化”。选项 A“freezing”是“冻结”;选项 B“thawing”是“解冻、融化”;选项 C“hardening”是“变硬...
: Melting pot is a metaphor for a heterogeneous society becoming more homogeneous, meaning the different cultures or races forming an integrated society. It is a concept that a number of ethnicgroups, cultures and religions of a society melt together to produce aharmonious new cultural and social...
IntergovernmentalPanelonClimateChange(IPCC)releaseditsfirstassessmentofclimatescience since2013.Thenewswasnotgood.Thereportstatedthatthispastdecadewasthehottestin 125,000yearsandthattheatmosphericcarbonlevelsarethehighestinatleast2millionyears. Glaciersaremeltingfasterthananytimeinover2,000years,andoceanlevelsarerisin...
melting pot 字面意思是 “熔炉”,实际意思是不同民族或思想融合混杂的地方或状况通常以 a melting pot 出现,所以这句话应该改为 What is a melting pot?
14.Whatdoestheunderlinedword“it”inthelast paragraphreferto? A.Sciencefiction. B.Virtualtechnology. C.Virtualtourism. D.Therealworld. 15.Whatisthepurposeofthepassage? A.TodescribetheadvantagesofVRtourism. B.Togivesuggestionsforreducingovertourism. C.ToencouragepeopletodevelopVRtechnology. D.Toarguethat...
Science What is the melting point for salt?Question:What is the melting point for salt?Melting PointIn chemistry, the melting point of a substance is the point at which the solid form of the substance changes its state from solid to liquid. The melting point is usually determined at ...
The melting point measurement is usually performed in thin glass capillary tubes with an internal diameter of 1 mm and a wall thickness of 0.1 – 0.2 mm. A finely-ground sample is placed in the capillary tube to a filling level of 2 – 3 mm and introduced in a heate...
Melting point is the temperature at which a solid becomes a liquid, whereas freezing point is the temperature at which a liquid becomes a solid, illustrating the phase change in opposite directions.
What is a chemical change? A. Changing the color of a substance. B. Melting ice. C. Burning wood. D. Crushing a can. 相关知识点: 试题来源: 解析 C。解析:化学变化是产生新物质的变化。A 改变物质颜色可能是物理变化,如颜料混合。B 冰融化是物理变化,状态改变。C 燃烧木材产生新物质,是化学...