537.Why do you suggest we buy a new machine?
Because the old one has been damaged _______.
A.beyond reach
B.beyond repair
C.beyond control
D.beyond description
538.Leaves are found on all kinds of trees,but they differ greatly _____ size and shape.
A.ever since
B.even if
C.soon after
D.in case
537.答案是B;beyond reach 无法到达；beyond repair 无法修理；beyond control 无法控制；beyond description 无法描述。
538.答案是D;ever since 自从…以来；even if 即使；soon after 不久之后；in case 以防，以免。
