D. New species is being discovered by scientists E. very year. 相关知识点: 试题来源: 解析 A。原句是现在进行时的被动语态,改为主动语态时,scientists 作为动作的执行者放在主语位置,discover 作为谓语动词,new species 作为宾语。B 选项语义错误;C 选项还是被动语态;D 选项也是被动语态。反馈 收藏 ...
A. discovered B. discover C. have discovered D. will discover 相关知识点: 试题来源: 解析 A。本题考查一般过去时。last year 是一般过去时的标志词,所以要用过去式 discovered。选项 B 是一般现在时,选项 C 是现在完成时,选项 D 是一般将来时,均不符合时间状语 last year 的要求。反馈...
Scientists ___ many new species in the deep ocean in the past few years. A. have discovered B. discovered C. had discovered D. discover 相关知识点: 试题来源: 解析 A。解析:本题考查现在完成时。句子中的时间状语“in the past few years(在过去的几年里)”是现在完成时的典型标志,表示从过去...
A. Scientists find a new planet. B. Scientists discover a new species. C. Scientists invent a new machine. D. Scientists build a new city. 相关知识点: 试题来源: 解析 B。A 选项科学家找到新行星错误。C 选项科学家发明新机器不对。D 选项科学家建造新城市不符合标题。B 选项与新闻标题一致。反...
Passage: Scientists have discovered a new species of plant in the rainforest. This plant has unique characteristics that make it stand out from other known species. Question: What is the main topic of the passage? A. The rainforest. B. Scientists. C. A new species of plant. D. Known ...
Scientists have discovered a new species of deep - sea fish. This fish has unique features that help it survive in the extreme environment. Which feature is NOT mentioned in the passage? A. Special eyesight. B. A large body size. C. The ability to resist high pressure. D. A unique ...
Scientists found a new species _in_ a remote forest. A. at B. on C. in D. by 相关知识点: 试题来源: 解析 C。“in”表示在……里面,这里是在森林里面发现新物种,符合语境。“at”一般表示在某个具体的地点,通常是小地点;“on”表示在……上面;“by”表示在……旁边。
Scientists have discovered a new species of plant, ___ has unique features. A. which B. who C. where D. when 相关知识点: 试题来源: 解析 A。本题考查定语从句。先行词是“a new species of plant”,是物,在定语从句中作主语,所以用 which,who 用于指人,where 用于地点,when 用于时间。反馈 ...
Scientists have discovered a new species of dinosaur. What is the most important factor for classifying it? A. Its size. B. Its diet. C. The shape of its bones. D. The period it lived in. 相关知识点: 试题来源: 解析 C。对新发现的恐龙物种进行分类时,最关键的因素是其骨骼的形状。A ...
A. To help the fish find food in the dark deep - sea environment B. To make the fish look more beautiful C. To communicate with other fish of the same species just like a language D. It is a by - product of the fish's E. volution without practical use 相关知识点: 试题...