Unit 7 : Saving energy : Test 2

Multiple  choice

We use paper whenever we can, …  the backs of envelopes or the clean backs of notebook sheets are great for scrap paper.

1. so
2. because
3. but

Multiple  choice

Don’t  use Styrofoam or aerosol spray … they both contain  chlorofluorocarbons.

1. so
2. because
3. and 

Multiple  choice

Pesticides are chemicals poisons   used by farmers to kill  weeds and insect pests, …  some pesticides are still in the food when it gets to the market.

1. so
2. because
3. and

Multiple  choice

The countryside is  very peaceful … the air is so fresh.

1. but
2. and
3. therefore

Multiple  choice

Ba missed the Math test yesterday. .., he will have to do it next week.

1. therefore
2. but
3. and

Multiple  choice

He didn’t go to school  yesterday, ….he had to ask his friends what they learned then.

1. but
2. therefore
3. and

Multiple  choice

She doesn’t look so pretty …. She has soft voice.

1. and
2. but
3. so

Multiple  choice

My sister is very tired: …., she still  has to cook dinner for the family.

1. so
2. however
3. an

Multiple  choice

They don’t like the opera … it doesn’t look sound interesting.

1. and
2. but
3. because

Multiple  choice

Daisy is very nice: …, all her friends love her very much.

1. and
2. so
3. therefore

Multiple choice

Can you turn .. the lights ? it’s too dark.

1. on
2. off
3. in
4. for

Multiple  choice

What are you looking …. ? My picture book . I’ve lost it.

1. on
2. off
3. for

Multiple  choice

There are … saving methods and inventions to  use solar  energy.

1. energetic
2. energize
3. energy

Multiple  choice

I had to pay much money this month for the international….. .

1. calls
2. calling
3. to call

Multiple choice

A new – conditioner will be … this morning.

1. to be installed
2. installed
3. installing
4. to install

Multiple  choice

Scientists are looking for an …. way to educe energy consumption.

1. effect
2. effection
3. effective

Multiple  choice

We can … easily in the daylight.

1. to read
2. reading
3. read

Multiple  choice

She won’t take all these suitcases … she likes to travel lightly

1. so
2. but
3. because

Multiple  choice

They are completely short of water now. A number of people have died because of this …

1. shortage
2. short
3. shorten

Multiple  choice

What can  we do to spend less … lighting ?

1. in
2. on
3. about