
【名词&注释】
风暴潮(storm surge)、海岸线(coastline)、核糖体(ribosome)、海平面上升(sea level rise)、木质部(xylem)、蒙古高原(mongolian plateau)、植物种子(plant seed)、世纪初(beginning of century)、“成吉思汗”、别具一格(a unique style)
[单选题]53
A. remembered.
B. desired.
C. found.
D. met
查看答案&解析
举一反三:
[单选题]下列因素中,可能使长江三角洲滩涂遭受侵蚀与海岸线后退的是①上游输沙量降低 ②风暴潮频发 ③长江径流量加大 ④海平面上升
A. ①②③
B. ②③④
C. ①②④
D. ①③④
[单选题]叶内中脉的木质部靠近下表皮。( )
A. 正确
B. 错误
[单选题]6l. From the third paragraph, we know that __
A. oxen are no more important today than in the past
B. ceremonies are held when people cook cattle bone soup
C. oxen are treated as human in some areas of China
D. people run with oxen to shake off diseases every month
[单选题]38
A. when
B. before
C. unless
D. until
[单选题]听下面一段对话,回答第14至第17四个小题。第14题:Why is the woman asking for leave?
A. She plans to go to the UK with her parents.
B. She has to take care of her parents at home.
C. She wants to spend some time with her parents.
[单选题]13世纪初(beginning of century),铁木真统一了蒙古高原诸部落,被尊为“成吉思汗”,形成了别具一格(a unique style)的
A. 草原文明
B. 大河文明
C. 海洋文明
D. 山地文明
[单选题]溶酶体具有细胞内消化功能,其内部水解酶的最适pH在5.0左右。下列叙述错误的是
A. 溶酶体内的水解酶是由核糖体合成的
B. 溶酶体执行功能时伴随其膜组分的更新
C. 细胞质基质中的H+被转运到溶酶体内需消耗能量
D. 正常生理状态下溶酶体对自身机体的细胞结构无分解作用
[单选题]有一植物种子(plant seed),种孔和种脐处在相对的位置,从此判断其胚珠为( )类型。
A. 直生胚珠
B. 倒生胚珠
C. 横生胚珠
D. 弯生胚珠
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