Sea levels have been rising ____ the beginning of this century.A.in B.on C.during D.at 该选哪个

sea levels 请问下面的句式是虚拟语气吗?If sea levels were lower in the past,this shelf would have been exposed. Sea levels have been rising ____ the beginning of this century.A.in B.on C.during D.at 该选哪个 sea levels加s对吗 sat 2010年1月真题求助一道ISThe agency reports that by rigorously enforcing state regulations,(industrial pollution has been successfully reduced to acceptable levels.)A.B acceptable levels of industrial pollution have been successfully reduce have you ever been to Hainan waves in the beautiful blue sea翻译 sorry,but all but two single rooms with sea view have been reserved.翻译 levels 英语翻译In the post weaning period up to 25 kg of body weight,results of 22 experiments have been considered:oneexperiment compared 4 levels of supply,12 experiments 3levels of supply and 9 experiments considered only twolevels of supplementation the problem of the global warming is serious._,the sea levels have risen a littlea as a result b on the contray c in particular d in other words have you ever been to Hainan waves in the beautiful blue sea请学哥们给翻译成中文 Jane made what ----the first known study of sea life.A believed to have been B is beileved to be 英语翻译The North Sea Protection Works For more than a thousand years,the Dutch have been seizing valuable farmland from the sea and fighting to hold on to it.Their greatest achievement ,is the North Sea Protection Works. 英语翻译Sea levels are likely to rise by about 1.4m around 翻译 英语翻译Many elementary teachers have been found to have high levels of mathematics anxiety but theimpact on student achievement was unknown.Elementary teachers (N = 692) completed themodified Mathematics Anxiety Rating Scale-Revised (Hopko,2003) have been have been have been