It is useful to science _______ the earth as an object in space.
Be careful, _______ you'll fall down.
The TV station, in ________ to massive popular demand, decided to continue the soap opera(肥皂剧 ).
To be____for the corporate shareholder's program, you must have been working here for at least three consecutive years.
They fulfilled the plan much earlier than they _____
The interactions between China and the US will surely have a significant_______on. peace and stability in the Asia .—Pacific region and the world as a whole.
没实数 a,b 満足 ab=6 ,|a+b| +|a-b|=6 ,则 a2+b2=( )
今年与去年相比,物理系平均分没变,则理学员录取平均分升高了
(1) 数学系录取平均分提高了 3 分,生物系录取平均分降低了 2 分
(2) 化学系录取平均分提高了 1 分,地理学系录取平均分降低了 4 分
试题">某校理学员五个系列每年录取人数如下表
今年与去年相比,物理系平均分没变,则理学员录取平均分升高了
(1) 数学系录取平均分提高了 3 分,生物系录取平均分降低了 2 分
(2) 化学系录取平均分提高了 1 分,地理学系录取平均分降低了 4 分
________ with the size of the whole earth, the highest mountains do not seem high at all.
To succeed in a scientific research project ________.