A smoky exhaust shows that the engine is （).A.running slowlyB.running normallyC.over－load

The fact that children arrive at school at about the same time shows that______.A．schoolin

Franklin compared himself to a worn－out carpet in order to show that he was too exhausted

In the _____ pressure charging system the pulse of energy that occur as the exhaust is rel

The experiments show that high－fat diets 查看材料A.the

Which of the following is INCORRECT according to the passage？A．The animal bones show that

The experiments show that high-fat diets______.A.