20xx春八年級英語下冊unit7what’sthehighestmountainintheworld第3課時sectionb1a-1d新版人教新目標(biāo)版-文庫吧資料
2025-06-24 15:00本頁面
【正文】 he USA,researchers study bears that are pletely bears know the researchers’ voices and they are not afraid of the research the help of a few grapes to keep the bears busy,researchers can touch them to check their hearts,look at their teeth,and do other can also walk or sit with bears for hours and make videos to learn about their everyday lives. In both places,the main purpose is the same—to make sure there is a healthy population of black the research methods and the kinds of information that researchers are able to collect are quite different. ( A ) the first paragraph,we can lear
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