环球卓越同等学力语法复习资料-非谓语动词

C         D

4.      The purpose of inductive logic is to inferring general laws from particular occurrences.

A           B            C                            D

5.      Space exploration is so costly that no single nation can hope sustaining a major program indefinitely.

6.      We appreciate your efforts bringing about a comprehensive solution of the existing problems.

C         D