皮皮学，免费搜题
登录
搜题
【多选题】
What are the two essential components of scientific research?A.
Hypothesis
B.
Concepts
C.
Observation
D.
Theory
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】我国根本的政治制度是（ ）。
【单选题】道萨迪亚斯认为,从 20 世纪 60 年代起, 全球性城市出现的顺序是 。
A.
大都市、 “ 城市洲 ” 和 “ 普世城 ”
B.
大都市、 城市连绵带 和 “ 城市洲 ”
C.
城市连绵带、 “ 城市洲 ” 和 “ 普世城 ”
D.
都市圈、 城市连绵带 和 “ 普世城 ”
【简答题】Passage Three Questions 11 to 15 are based on the following passage. Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn't know for...
【单选题】The impact of global warming could be twice as severe as the worst situation feared 【C1】______ the United Nations' scientists, the world's largest climate-mod- cling experiment has shown. Average temp...
A.
for
B.
of
C.
with
D.
by
【简答题】阅读理解. Climate change could make much of the world too hot for human habitation (居住) within just three centuries, according to some scientists. These scientists found that rising temperatures in some p...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
