类和类之间的关系有哪几种？ A: has-a uses-a is-a B: has-a uses-a C: uses-a is-a D: has-a is-a

Inheritance is also known as the ( ) A: uses-a relationship. B: has-a relationship. C: knows-a relationship. D: is-a relationship.

Which of the following<br/>methods are helpful in the diagnosis of lung cancer? () A: uses CT scan <br/>B .uses PET-CT inspection B: uses ESD method C: uses MRI method D: uses PET-CT inspection

What will Steven mostly use a bike to do（） A: He uses it to race. B: He uses it to tour. C: He uses it to go to work. D: He uses it to exercise.

Which<br/>of the following methods are helpful in the diagnosis of lung cancer?() A: uses CT scan B: uses ESD method C: uses MRI method D: uses PET-CT inspection

智慧职教: It is not the tools a scientist uses but how he uses the tools that _____.

It is not the tools a scientist uses but how he uses them that_____ him a scientist.

Match uses (1 – 6) with the photos.(副本) Match uses (1 – 6) with the photos.

Ahigher annual growth rate in material uses indicates an increasing intensity of material uses

The Montreal Protocol, an international treaty, is aimed at ______. A: restricting uses of CFC B: restricting uses of methyl bromide C: banning uses of CFC D: restoring the ozone in the atmosphere