【单选题】??What is NOT the result of consuming fossil fuels according to the last paragraph???
A.
Rainforests wiIl be destroyed
B.
Arctic ice will be melted
C.
The earth's temperature will be raised
D.
The sea level will go up
【单选题】What is NOT the resuh of consuming fossil fuels according to the last paragraph?
A.
Rainforests will be destroyed
B.
Arctic ice will be melted.
C.
The earth,s temperature will be raised.
D.
The sea level will go up.
【单选题】分类法是在产品品种、规格繁多,但可按一定标准对产品进行分类的情况下,为了( )而采用的。
【单选题】分类法是在产品品种、规格繁多,但可按一定标准对产品进行分类的情况下,为了( )而采用的。
【简答题】What are fossil fuels?
【单选题】What is NOT the result of consuming fossil fuels according to the last paragraph?
A.
Rainforests will be destroyed.
B.
Arctic ice will be melted.
C.
The earth's temperature will be raised.
D.
The sea level will go up.
【单选题】What is the “fossil fuels “mean?
【单选题】分类法是在产品品种、规格繁多,但可按一定标准对产品进行分类的情况下,为了( )而采用的。
【简答题】用分光光度计测定蛋白质 280nm 有吸收时,主要由 ( 1 ) 、 ( 2 ) 和 ( 3 ) 氨基酸残基侧链起作用。