试题详情

Wherever there is matter.There is energy;all changes of matter（ ）changes in the form of the energy.

all visible stars in the sky make up less than one percent of the universe.Almost all the rest is

The intention of the （ ） is to schedule，organize and control all activities to achieve the project g

There is plenty of rain in the south ____ there is little in the north.

col. The chlophylls are the molecules thattrap light energy. The trapped light energy changes water