The relationship between trade and the environment is the thorniest of all.（    ）

A. connection

B. Report                                              

C. statement

D. narration

These new issues are likely to get even thomier as the WTO admits new members.（    ）

A. points

B. Problems

C. editions

D. themes

Coca-Cola seems determined that Slice's sales won't come at the expense of Sprite.（    ）

A. strengthened

B. Brittle

C. to have a strong will

D. weakened

Far from capitulating to this new thrust of American trade policy,Japan is taking a stand that could lead to a trans-Pacific confrontation.（     ）

A. point of view

B. Pressure

C. prospect

D. area

The negotiators knew that delay would jeopardizeapproval of any agreement by America' s Congress.(     )

A. cancel

B. Promote

C. endanger

D. negate