(A) The temperature of the water is the most important factor. (B) The speed with which water moves is directly related to the amount of salt. (C) Ocean salinity has little effect on sea life. (D) Various factors combine to cause variations in the salt content of water. 46. The wor...
(A) The temperature of the water is the most important factor. (B) The speed with which water moves is directly related to the amount of salt. (C) Ocean salinity has little effect on sea life. (D) Various factors combine to cause variations in the salt content of water. 46. The wor...
阅读 第一套 1.light in the ocean environment光从海面渗透到海底,不同的深度导致了不同的海底的分层,在200米左右,有一个从太阳获取的能量和自身生存能量平衡的一个界限,到200米以下的深度的话,会有自发光的…
split a population of organisms that can inhabit only lowland lakes,certain fish populations might become isolated in this way.Similarly,a creeping glacier may gradually divide a population,or a land bridge such as the Isthmus of Panama may form and separate the marine life in the ocean waters ...
(C) The many forms of ocean life (D) The salinity of ocean water 2. The word "this" in line 5 refers to (A) ocean (B) evaporation (C) salinity (D) crystals 3. According to the passage, the ocean generally has more salt in ...
This heavy water sinks and is found in the deeper portions of the oceans of the world.4l. What does the passage mainly discuss?(A) The elements of salt(B) The bodies of water of the world(C) The many forms of ocean life(D) The salinity of ocean water42. The word "this" in ...
2015.1.25 Early life-forms and Earth’s Atmosphere 2015.3.7 Surface Fluids on Venus and Earth 2016.1.24 Water and life on Mars 阅读延伸: 首先,作为热门题材,笔者在此还是建议各位考生对天文类的基础信息做到了解和熟悉,这样无论详细的研究方向如何变化,熟悉背景知识会在很大程度上降低文章的整体难度。
find prey.The shark has the greatest electrical sensitivity of any animal.Sharks find prey hidden in sand by detecting the electric fields they produce.Ocean currents moving in the magnetic field of the Earth also generate electric fields that sharks can use for orientation and possibly navigation....
This heavy water sinks and is found in the deeper portions of the oceans of the world. l. What does the passage mainly discuss? (A) The elements of salt (B) The bodies of water of the world (C) The many forms of ocean life (D) The salinity of ocean water...
24、llow water and was not yet adapted for life in the open ocean。说的就是 P,所以选AThe word exposed in the passage is closest in meaning toAExplainedBVisibleCIdentifiedDLocated解析:This is a Vocabulary question. The word being tested is exposed. It is highlighted in the passage. The co...