Tiếng anh bằng A –L107 pot

Tiếng anh bằng A –L107
1) Indiscriminately dumping of waste
materials and inadequate sewage treatment
are two serious causes of environmental
pollution.
a) A
b) B
c) C
d) D

2) The builders of the variety
ancient cliff ruins
scattered throughout the canyons and mesas
of the arid Southwest of the U
nited States are
known as the cliff dwellers.
a) A
b) B
c) C
d) D

3) A fragrant plant has tiny sacs that makes
and stores the substances that give it a
pleasant odor.
a) A
b) B
c) C
d) D

4) Nomadic hunter and gatherer societies
have access to only a limited amount of food

in an area and moved on when they have
exhausted each locality.
a) A
b) B
c) C
d) D

5) Collagen, a strong rubbery protein,
supports the earflaps and the tip of nose in
humans.
a) A
b) B
c) C
d) D

6) The outer layer of the heart, called the
pericardium, forms a sac in what the heart
lies.
a) A
b) B
c) C
d) D

7) Wood from the ash tree becomes
extremely flexibly when it is exposed to
steam.
a) A
b) B
c) C
d) D

8) The ability to talk is one of the skill that
make humans different from the rest of the
animal world.
a) A
b) B
c) C
d) D

9) In plane geometry, the sum of the internal
angles of any triangle has always equal to
180 degrees.
a) A
b) B
c) C
d) D

10) Polar bears are bowlegged and pigeon-
toed, adaptations that enable this massive
animals to maintain their balance as they
walk
.
a) A
b) B
c) C
d) D