UNIT 10 : ECOTOURIM 04

Seattle is one of the most ____ cities in the US.

• ecosystem

• eco-friendly

• ecology

• ecological

 In Alaska, the ecotourism operators are designed to help minimise tourism ____, which may be more difficult to control as an independent traveler.

• result

• impact

• action   

• power

If someone came into the store, smile and say, “May I help you?"

• if

• came

• smile

• May

If you try these cosmetics, you look five years younger

• If

• try

• look

• younger

If you do not understand what was written in the book, you could ask Mr. Pike.

• if

• do not understand

• was written

• could ask

I will come to meet Mr. Pike and tell him about your problems if you didn't solve them yourself.

• will come

• about

• if

• didn't solve

Sam will not graduate unless he doesn't pass all the tests.

• will not

• unless

• doesn't pass

• the

Unless you pour oil on water, it will float.

• unless

• pour

• on

• will float

If anyone will phone, tell them I'll be back at 11:00.

• If

• will phone

• tell

• I'll be

 Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

• culture 

• public 

• sustain

• butterfly