单项选择题
A.Monday B.Thursday C.Saturday D.Wednesday
Alberta () fourth in population among Canadian province...
单项选择题Alberta () fourth in population among Canadian provinces.
A.ranks B.occupies C.arranges D.classifies
We all gather facts and () conclusions, but we have ver...
单项选择题We all gather facts and () conclusions, but we have very different styles of thinking.
A.pull B.draw C.take D.receive
Plants use the carbon, along with sunlight, for growth,...
单项选择题Plants use the carbon, along with sunlight, for growth, and () oxygen into the atmosphere in a process known as photosynthesis.
A.relieve B.relate C.release D.retain