【单选题】At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.
【简答题】A.Some developed countries. B.Countries that wanted to borrow money. C.All the member countries. D.The World Bank.
【简答题】In all countries, employment in this activity never went beyond 1%.
【单选题】( )的工频电流通过人体时,人体尚可摆脱,称为摆脱电流。 A、0.1mA B、2mA C、4mA D、10mA
【判断题】徐志摩诗作想像丰富,构思精巧,不落俗套,辞藻华丽、浓艳而富于变化,整体上呈现了丰富,的色彩美。诗行的长短,诗节的划分,都随着诗人感情波涛的起伏而自由安排,但往往通过大量的排比、叠句、复唱等,形成鲜明的节奏,属强调内在节奏的自由体。
【单选题】In order to solve the problem of global warming, all countries should ______.
A.
replace all the harmful substances
B.
make progress in economy development
C.
share ideas and bear common responsibilities
D.
develop advanced technology to improve the situation
【多选题】压电式加速度传感器参数中有( )灵敏度( )灵敏度( )灵敏度。
【单选题】They do eye exercises twice a day , so ____of them ____glasses.