Question

Things are ____ on the moon ____ on the earth . 

A．much lighter ; than	B．much heavier ; than
C．as heavy ; as	D．not so light ; as

Answer 1

A

句意：东西在月球上比在地球上轻得多。Light是轻的意思，heavy是重的意思。much可以修饰比较级，结合语境可知选A。