A blue hole is a flooded sea cave with a hole that opens up at the land's surface. These cave systems form in carbonate rock, often on islands. Some blue holes have very special rock formations and water chemistry. Far below sea level, they contain some of the harshest environments on ...
摘要:2018_2019学年高中英语unit21humanbiologysectionⅠwarm_up&superathletes教案含解析北师大版选修7 Section Ⅰ Warm-up & Super Athletes Ⅰ.词义匹配 1.Supreme a.to move around or through something 2.interval b.to exchange 3.circulate c.to change food in your stomach into substances ...
level水平;C. degree学位;D. permit允许。根据上文“After taking classes part-time, Allamby was told he had to take biology to get his”可知,在业余时间上课后,Allamby被告知他必须学习生物学才能获得学位。故选C。 (6)题详解: 考查动词词义辨析。句意:它唤醒了他童年时隐藏在内心深处的一个梦。A....
根据第四段中的”Researchers discovered that even if a person sleeps more than seven hours on the weekends but still sleeps less than that on weeknights, they are at risk of gaining weight and developing sensitivity to insulin, which controls the level of sugar in blood.“研究人员发现,即使一...