Page 145 - PDF_Oxford Grammar for Schools 5_Neat 1

Read the text and decide if the sentences are 3 Read the text below and choose the correct word
true or false. for each space.Write A, B, C or D.

Fovr co\ourQuI l¿»ke£ Blink and

Lake PiM+vbo, the Philippines

This stunning bright blue and green you miss it
freshwater lake isat the top oí Mount
Pinatubo, an active volcano 900m high. The
lake only came into existence in 1991, when
the volcano erupted. The best time to visit
and enjoy the warm waters of the lake is __
inthe dry season, because the area canbe We all ÿ B» swallow, yawn and blink
dangerous when it's rainy. throughout the day. These 1 _ actions are
important reflexes which our bodies do 2_
Laqom Colorado, Bolivid

4_
This saltwater lake is locatedat 4,200m When we eat a meal, we chew the food
above sea level. It is very shallow, with a and then swallow3 When we're ,
depth of just 50cm. we yawn without thinking. And every few

The lake water is bright redincolour seconds we blink: our eyes close and open
5 _ rapidly to clean and refresh our eyes.
because of plants and minerals, but small 6_
white islands in the lake make a striking It happens quickly that we aren't even
colour contrast. aware of it happening.

Reed Fwte Cwe /-¿ike, China The number of blinks per minute is different
7_
from person to person, and adults blink
This is a still, calm underground lake.It is
inside a limestone cave which is over 180 frequently than children.
million years old. There is a system of multi¬ We don't blink 8 often as usual when we
coloured lights in the cave which shine t » V \S II I III IIN - IIVII VI*/ W*/ V VI I T» IIN/I I » » \/
study something closely, which is why our
dramatically on the cave walls and water.
eyes feel tired when we read for a long time.
ópoffed Canada
On average, we lose about four or five
This lake has some of the largest quantities seconds of information every minute because
of minerals inthe world, includingcalcium, of blinking.
silver and titanium. Inthe summer the lake However, new research shows that this isn't
becomes very dry. More than 365 pools of actually 9 _ a problem, because our brains
water remainand are visible as blue, green
10 _ know when the right time to blink is.
and yellow spots.

ÿ Mount Pinatubo might erupt again inthe future. ÿ A regular B regularly C rare D rarely
true / false 1 A bit B quite C little D fairly

1 Lake Pinatubo is a young lake, true /false 2 A unconscious B unconsciously
2 It'smore dangerous to visit Lake Pinatubo inthe C more unconscious D more unconsciously
dry season than inthe rainy season, true / false 3 A only B always C automatic
3 Laguna Colorado is a beautiful shallow red-and- D automatically
white freshwater lake, true / false 4 A indoor B outdoor C tiring D tired
4 Lake Pinatubo is as high as Laguna Colorado. 5 A very B more C most D so
true / false 6 A so B such C rather D quite
5 Reed Flute Cave is very old. true / false 7 A so B as C more D very
6 The lake in Reed Flute Cave is naturally multi¬ 8 A really B more C most D as
coloured. true /false 9 A rather B as C so D such
7 Spotted Lake hasfewer minerals in it than many 10 A cleverer B cleverest C clever D cleverly
other lakes, true /false
8 Spotted Lake always has a 'spotted'appearance.
true / false

Exam preparation Units 21-24 145