Word
treason:the action of being false to one’s country; disloyalty; betrayal
TYPICAL USE: Helping the enemies of one’s country is an apparent treason.
adj: treasonous

transact :carry on business; manage; perform; conduct
TYPICAL USE: The man transacts many affairs connected with the purchase of a home.
n: transaction

subtle:so fine or delicate; hardly noticeable
TYPICAL USE: Her subtle smile made him curious.
n; subtlety

prevail:exist in many place; be in general use
TYPICAL USE: Making resolutions on New Year’s Day is a custom that still prevails.
adj: prevalent

precede:be first before another in order, place or time
TYPICAL USE: Mr. Eisenhower preceded Mr. Kennedy as president of the United States.
adj: precedent

induce:lead on; persuade or influence
TYPICAL USE:We couldn’t induce the old lady to travel by air.
n: inducement

mobilize:call troops into active military service; organize for war
TYPICAL USE: Our country is in great danger; we must mobilize the army.
n: mobilization

This sort of business can only be__1__ in private
Too much food__2__sleepiness.
He__3__ his speech with a few words of welcome the special guests.
The troops received orders to__4__.
Misty weather__5__ in this part of the country.
They have committed__6__ against the state.
There were __7__ hints in his letter.

答案:
1. transacted v.交易
2. induces v.说服,引诱,招致
3. preceded v.在前
4. mobilize v.动员
5. prevails v.流行
6. treason n.叛国
7 .subtle adj.微妙的,敏感的,精细的,狡猾的