1. Choose the best answer
Children can be taught about recycling from a very young age. Children are a
lot __(1)__ receptive to learning new things when they are little, such as how to do
the dishes or vacuuming, as they are trying to be like their parents.
This is the time to get them __(2) __ the habit of reusing trash and replacing
recyclables in the proper bins. Besides modelling after __ (3) __ parents, children
also learn from recycling activities.
Teach children about the use of trees to make paper products. Besides
attracting their interest, this will also teach them to respect __ (4) __ of work and
resources used to make paper plates, napkins, paper and the like.
Kids are more likely to __ (5) __ recycling if it becomes their responsibility to
manage it. Designate the child to be in charge of __ (6) __ sure everyone recycles.
Making him feel a little more powerful in the household __ (7) __ go along the way to
make him committed.
Environmental Kids Club programmes help motivate children to recycle by
offering games __ (8) __ interactive storybooks. Children can learn to be planet
protectors by starting a recycling programme in their community.
1. A. least 6. A. made
B. less B. make
C. more C. makes
D. most D. making
2. A. by 7. A. may
B. into B. must
C. on C. shall
D. with D. will
3. A. their 8. A. and
B. theirs B. but
C. them C. or
D. they D. so
4. A. amount
B. burden
C. collection
D. number
5. A. act
B. do
C. perform
D. practise

2. Most people hate the smell of rotten eggs that comes out of wastewater
drains and treatment plants. This horrible smell is caused by hydrogen sulphide.
To get rid of the bad smell, most treatment plants use devices called chemical
scrubbers, which filter the gas through a mixture of poisonous chemicals. Chemical
scrubbers work, but they are expensive and often dangerous.
Two researchers have come up with a new way to treat the smell using
bacteria. In a sewage treatment plant in California, they replaced chemical scrubbers
with bacteria that break down hydrogen sulphide.
The scientist loaded a container with little foam blocks full of the bacteria.
Then, they pumped hydrogen gas through the chamber. Finally, they let water
constantly trickle over the foam. The system worked so well that the California plant
converted several chemical scrubbers to the new kind.
If the technique catches on, bacteria will be used to treat sewage plants in
near future and Mother Earth can smile.
1. The smell of rotten egg from wastewater drains and treatment plants is
caused by
A. air
B. a reaction
C. chemicals
D. a kind of gas
2. What is a chemical scrubber?
A. A chemical filter that removes the smell of hydrogen sulphide
in sewage plants.
B. A bacteria filter that is mounted on foam blocks.
C. A chemical scrub that cleans wastewater drains.
D. A chemical scrub that cleans treatment plants.
3. One disadvantage of using a chemical scrubber is that
A. it is light
B. it is expensive
C. it does not last
D. it is easily spoilt

3. 4. In paragraph 4, the phrase the new kind refers to
A. the chemical scrubber using new chemicals
B. the California plant
C. the bacteria filter
D. the scientist
5. When water trickles,
A. it flows very fast
B. it flows quickly
C. it falls in drops
D. it falls shakily
6. From the phrase Mother Earth can smile, we know that the newly invented
filter
A. is cheap
B. it quick to use
C. it easily obtained
D. it environmentally friendly