经分析,某一有机小分子样品含有C、H、O、N元素,该分子很可能是( )A.氨基酸 B.磷脂C.核苷酸 D.蛋白质
Among the four seas of the coast of China,East China Sea is the second______.( )
deep
deeper
deepest
the deepest
The traffic policeman took away James'driver's license______He broke the traffic rules of drunk driving.( )
though
because
till
and
With the development of science and technology,robot cooks ______ in our families in the future.( )
A.appearB.appeared
C.will appearD.is appearing
﹣I'm a little hungry Daddy.﹣See the cupcakes on the plate,but you can only take______,dinner is ready soon.( )
it
one
this
that
Please turn to page______and take a look at the picture on it.( )
the eightieth
eightieth
eighties
eighty