11 A red flag was placed there as a token of danger.

　　A sign

　　B substitute

　　C proof

　　D target

　　12 However bad the situation is, the majority is unwilling to risk change.

　　A reluctant

　　B eager

　　C pleased

　　D angry

　　13 It has been said that the Acts provided a new course of action and did not merely regulate or enlarge an old one.

　　A limit

　　B control

　　C replace

　　D offset

　　14 The secretary is expected to explore ideas for post-war reconstruction of the area.

　　A deny

　　B investigate

　　C stress

　　D create

　　15 The steadily rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.

　　A gradually

　　B suddenly

　　C excessively

　　D exceptionally

AABBA