單項選擇題Our practices are conformable to the requirements()by international organizations.

A.laid down
B.lied down
C.layd own
D.laid out


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1.單項選擇題This S/C may be()three months before its expiry.

A.postponed
B.prolonged
C.expanded
D.renewed

2.單項選擇題By()computation, the seller estimated that the profit will be 5 %.

A.coarse
B.crude
E.rough
D.rude

3.單項選擇題

He is not()to understand the market situation.

A.so quick
B.quick enough
C.enough quick
D.as quick as

4.單項選擇題By law,a buyer should have()opportunity to change his mind.

A.accurate
B.urgent
C.excessive
D.adequate

5.單項選擇題Whenever you have an appointment, you’d better arrive().

A.a little time a head
B.a little a head of time
C.a head of time a little
D.a little time a head of