问题补充:
A lunar probe-Chang’e-2 as much as 2 tons was sent up into space on October1.
A. weighing
B. weighed
C. to be weighed
D. being weighed
答案:
(答案→)A. weighing
B. weighed
C. to be weighed
D. being weighed
解析:考查非谓语动词。一个重达两吨的嫦娥二号卫星,weigh 做动词表示重达,不可用于被动。相当于which weighs