
【名词&注释】
胆红素(bilirubin)、被动式(passive)、敏感度(sensitivity)、繁殖力、直接影响(directly affect)、不定式(infinitive)、两性花(hermaphrodite flower)、视紫红质(rhodopsin)、视杆细胞(rod cell)、过去分词短语(past participial phrase)
[多选题]视杆细胞(rod cell)的特点有( )
A. 对光的敏感度高
B. 能分辨物体细微结构
C. 无色觉
D. 能区别明暗
E. 含有的感光色素是视紫红质(rhodopsin)
查看答案&解析
点击获取本科目所有试题
举一反三:
[单选题]种群的性别比例直接影响种群的繁殖力,两性花(hermaphrodite flower)植物种群的繁殖( )
A. 应考虑性别比例问题
B. 不考虑性别比例问题
C. 应考虑育龄雌体数问题
D. 不考虑育龄雌体数问题
[单选题]I could just ______ a banner in the distance, but I could not see what's on it.
A. see to
B. clear up
C. make out
D. look at
[单选题]请将正确答案填在第32处。
A. talking
B. singing
C. smiling
D. playing
[单选题]第1颈椎的特征是 ( )
A. 椎体较小
B. 有齿突
C. 前、后弓围成椎孔
D. 棘突较短
E. 由前、后弓及两侧块构成
[单选题]哲学的物质范畴与自然科学的物质范畴是( )
A. 普遍与特殊的关系
B. 现象与本质的关系
C. 形式与内容的关系
D. 相对与绝对的关系
[单选题]Passage TwoHow can a single postage stamp be worth $ 16,800?
A. Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on one in expensive' postage stamp has made the stamp worth a million and a half times its original value.
B. The mistake was made more than a hundred years ago in the British colony of Mauritius, a small is land in the Indian Ocean. In 1847 an order for stamps was sent to a London printer, and Mauritius was to become the fourth country in the world to issue stamps.
C. Before the order was filled and delivered, a ball (舞会) was planned at Mauritius' Government House, and stamps were needed to send out the invitations. A local printer was instructed to copy the de sign for the stamps. He accidentally inscribed the words "Post Office" instead of "Post Paid" on the sever al hundred stamps that he printed.
D. Today there are only twenty-six of these misprinted stamps left--fourteen "One Penny Orange-Reds" and twelve "Two Penny Blues". Because of the Two Penny Blue's rareness (罕见) and age, collectors have paid as much as $ 16,800 for it.
E. 36. A postage stamp's value to collectors is raised if ______.
F. there are few others like it
G. there are no errors on the stamps
H. a mistake is made in the ,printing
I. both A and C
[单选题]当皮肤、巩膜出现黄疸时,表示血液中胆红素超过 ( )
A. >15.5μmol/L(>1.0mg/dL)
B. >37.6pμmol/L(>2.5mg/dL)
C. >20.5μmol/L(>1.5mg/dL)
D. >25.5μmol/L(>1.2mg/dL)
E. >34.2umol/L(>2.0mg/dL)
[单选题]Many things __________impossible in the past are common today.
A. to consider
B. being considered
C. considering
D. considered
本文链接:https://www.zhukaozhuanjia.com/download/qp8w87.html