A.disaster
B.encounter
C.determine
D.government

Many people are not fully aware of the influence of_____ we treat animals.
A.why
B.when
C.the way
D.no matter

A good lecturer should be ready for situations where he finds himself in front of the crowd and has questions_____ at him, back on the shelf.
A.threw
B.thrown
C.to throw
D.throwing

There are thousands _______leopards in the world than tigers.
A.
B.of
C.about
D.more

Butterflies have______ larger wings than bees.
A.few
B.less
C.some
D.considerably

Some fresh herbs can greatly change the way food_____
A.smell
B.smelly
C.smells
D.has smell

It always _____time to settle down at a new place.
A.saves
B.takes
C.spends
D.cost

Gardeners will mow the lawn _____you tell them not to.
A.because
B.when
C.if
D.unless

The environmental impact of tourism can be shocking and upsetting, but many governments think it is______
A.acceptable
B.bad
C.comprehensive
D.negative

From the first paragraph, we know How-to books are_______________.
A.only about four thousands copies.
B.on money.
C.very helpful in life.
D.needed a lot.