【判断题】我国在渤海边设立验潮站,长期观测、记录海水面高低变化取平均值,作为我国大地水准 面。( )
【单选题】In the sentence “...population are being added to at both ends,” the words “both ends” refer to both __________.
C.
developed and developing countries
D.
birth rate and death rate
【判断题】为了平均海水面的使用,我国在青岛验潮站附近的观象山上,设立一个永久的水准原点,高程设为0。
【单选题】供男式风衣用的可拆卸衬里(100%涤纶机织物为原料) ( )
【单选题】柠檬酸使得水溶液的凝固点和沸点怎样变化?
【单选题】This container can be easily opened ______ both ends.
【单选题】供男式风衣用的可拆卸衬里(100%涤纶机织物为原料)()
【单选题】As an employee, Mr. Hooper could not make both ends meet.