百度试题 题目___ some mammals came to live in the sea is not known. A.WhichB.SinceC.AlthoughD.How 相关知识点: 试题来源: 解析 D [汉译] 有些哺乳动物是如何到海洋里生活的,到现在还无从得知。[注释]“HOW”引导的名词从句做主语。
Which of the following is a characteristic of mammals? A. Lay eggs B. Have scales C. Nurse their young D. Breathe through gills 相关知识点: 试题来源: 解析 C。哺乳动物的特征是用乳汁哺育幼崽。A 选项是卵生动物的特点;B 选项有鳞片一般是鱼类或爬行动物;D 选项用鳃呼吸是鱼类的特征。
百度试题 结果1 题目If the statement "All cats are mammals" is true, which of the following must also be true?相关知识点: 试题来源: 解析 Some mammals are cats.
B. They lay eggs. C. They have fur or hair. D. They breathe through gills. 相关知识点: 试题来源: 解析 C。哺乳动物的特征是身体有毛或毛发来保持体温。选项 A 中,哺乳动物的皮肤不是干燥的。选项 B 中,哺乳动物是胎生而非卵生。选项 D 中,用鳃呼吸的不是哺乳动物。
Mammals are known for their unique way of reproduction. Which of the following is a characteristic feature of mammalian reproduction? A. Lay eggs outside the body B. Give birth to live young C. Reproduce by budding D. Spawn in water ...
百度试题 结果1 题目___ some mammals came to live in the sea is not known. [ ] A. WhichB. Since C. AlthoughD. How 相关知识点: 试题来源: 解析 D
百度试题 结果1 题目Which animal is more recent, mammals or reptiles? A. mammals B. reptiles 相关知识点: 试题来源: 解析 A。哺乳动物比爬行动物出现的时间晚,更接近现代。
百度试题 结果1 题目___ some mammals came to live in the sea is now known. A. Which B. Since C. Although D. How 相关知识点: 试题来源: 解析 D
non human transgenic mammals, which is for the constant region of the heavy chain of human immunoglobulin and use for class aNon-human transgenic animal (I) comprising an immunoglobulin (Ig) H locus modified by replacement of the commutation sequence (Smu ) by all or part of a transgene ...
___ some mammals came to live in the sea is not known. A. Which only B. Since C. Although D. How 相关知识点: 试题来源: 解析 正确答案:D 解析:主语从句。根据句子结构,空格处需要一个关系副词构成主语从句,四个选项中只有how可以。反馈 ...