皮皮学，免费搜题
登录
搜题
【单选题】
组成核酸的基本单位是（ ）A.
核苷
B.
碱基、磷酸、戊糖
C.
氨基酸
D.
单核苷酸
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Part II Directions: In this section, you'll hear some long conversations. At the end of each conversation, some questions will be asked. Both the conversation and the questions will be spoken only onc...
【简答题】II. Blank filling ( 选词填空 填单词对应字母 ) A. strictly speaking B. mystery C. resembles D. source E. for effect F. invaded G. conquered H. fascina...
【单选题】Part II Listening Comprehension Section A Directions: In this section, you will hear two long conversations . At the end of each conversation, you will hear four questions. Both the conversation and t...
A.
It tries to predict the possible trends of global climate change.
B.
It studies the impacts of global climate change on people's lives.
C.
It links the science of climate change to economic and policy issues.
D.
It focuses on the efforts countries can make to deal with global warming.
【简答题】商业银行资产中最具有流动性的资产是 ,也被称为 。
相关题目：