托福筆記6th整合信息題(編輯修改稿)
2024-11-14 15:17 本頁面
【文章內(nèi)容簡介】 is not necessarily scientifically accurate B. that two lakes can never act as one C. that Lake Superior is inarguably the world’s largest freshwater lake D. that traditional beliefs are never wrong ? ? Lake Michigan 密歇根湖 ? Lake Superior 蘇必黎爾湖 ? Lake Ontario 安大略湖 ? Lake Huron 休倫湖 ? rainwater, snowmelt, ? infiltration， seepage， ? clay， shale, ? overburden aquifer, ? unsaturated overburden， ? water table ? higher elevation to lower elevation, ? higher pressure to lower pressure ? discharge area, ? contaminate 污染 ? cyanid 氰化物 ? sulphide 硫化物 ? fluoride 氟化物 ?over pumping， ?water table will be drawn down, ?depleted ?replenish， recharge ? 練習(xí) 3 朗文 P 158 Archeology ? Fossils ? 筆記 ? Topic: fossil remains plant animal → stone ? die soft break down de ? hard bones teeth remain ? hard buried ? underground water mineral replace bone fossilization ? surface earth move seen ? 4． How is the information in the passage anized? ? A. The steps in a process are outlined. ? B. Various ways of fossils are classified. ? C. The history of a particular fossil is described. ? D. The formation of plant and animal fossils is contrasted. ? 5． The professor explained the steps in the process of animal fossil formation. Put these steps in order. Step 1 Step 2 Step 3 Step 4 Hard tissues bee buried The animal dies Minerals replace the bones Soft tissues depose ? 6． Indicate whether each of these step occurs as an animal bees a fossil. YES NO After an animal dies, its hard tissues depose Layers of sediment cover the remains of a dead animal Minerals from the bones dissolve in groundwater Hard tissue is replaced by mineral Earth movement cause the fossils to move ? 恐龍滅絕之小行星篇證據(jù) ?1. 65 Myold soil layer iridium ?outer space in the form of cosmic dust ?Earth39。s core， eruptions of certain types of volcano. ?2. quartz crystals deformed, twinning ? high shock pressures ? giant explosion ?3. soot burning of the forest, massive fires ?4. Gulf of Mexico, massive deposits of tumbled boulders, tsunami ?5. Crater， buried under sediments， It is revealed by mapping the strength of the gravity field over that area, and by dril
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