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...
根据第一段“Scientists have created a new app designed to identify dangerous mosquitoes based on sounds the insects make. The app, called Abuzz, is aimed at helping fight major diseases spread by mosquitoes.(科学家开发了一款新的应用程序,可以根据蚊子发出的声音来识别危险的蚊子。这款名为Abuzz的...
C。解析:对于深海鱼类适应高压环境,A选项说有非常薄且脆弱的身体结构,在高压环境下薄且脆弱的结构不利于生存,所以排除;B选项说体内有大气囊用于浮力,文章未提及这种鱼通过大气囊来适应高压环境;D选项说有又长又薄的鳍用于快速游动,这与适应高压环境的特征关系不大,而C选项说身体覆盖着一层厚厚的黏液,这可能有助...
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 ...
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...
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 ...
D. A unique way of hunting. 相关知识点: 试题来源: 解析 B。解析:根据原文,提到了这种深海鱼有帮助它在极端环境下生存的独特特征,包括抵抗高压的能力、独特的捕猎方式和特殊的视力,但是没有提到大体型这个特征,所以B选项是未被提及的。A、C、D选项均不符合要求。反馈 收藏 ...
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 ...
Scientists have discovered a new species of animal in the deep ocean. What is the most likely feature of this species? A. Bright colors B. Large size C. Special organs for breathing underwater D. Ability to fly 相关知识点: 试题来源: ...
Scientists have discovered 11 new species of plants and animals in Vietnam, including a snake, two butterflies and five orchid varieties, the World Wildife Fund said Wednesday. The new species were found in a remote region known as the “Green Corridor” in Thua Thien Hue province in central...