Reference: 龍騰B1L3
You may know that brown bears hibernate and that goldfish sleep (1) closing their eyes, but have you ever wondered how other animals sleep? You might be surprised when you read some of the following (2) facts about animals’ sleeping habits.
Unlike most mammals, giraffes sleep very little. In fact, (3) that some giraffes sleep only thirty minutes a day (4) average. When a giraffe sleeps, it curls its long neck and (5) its head on its hip. (6), there are often predators around, and a giraffe can’t stand up from this position very quickly. (7), a giraffe never naps for too long.Sea otters, one of the world’s cutest animals, perhaps have the cutest sleeping position. Groups of sea otters float (8) their backs and hold hands (9) they are sleeping! They can rest on the land, but they are much safer in the water. To avoid(10) away, they lock their little paws together and (11) each other.
Dolphins have one of the most amazing sleeping secrets: only half their brain is asleep at a time! One of the reasons for this is that they must swim to the (12) once every twenty minutes to (13). They also have to look out for sharks and other predators. When (14) their brain goes to sleep, (15) half stays (16) to help them swim, breathe, and be on the lookout for danger.
Some migratory birds have yet another (17) way of sleeping: they sleep up in the sky! (18), Alpine swifts have to keep flying for a long time over a great distance (19) their journeys to and from Africa. (20) the way, they eat insects in the air and take (21) naps while (22). This habit can save their lives (23) they may be caught by wild animals if they land.(24) studies, these amazing little birds may be able (25) in the air for up to two hundred days without needing to land and get some sleep.
1 (A) without (B) through (C) besides (D) toward
2 (A) amazes (B) amaze (C) amazed (D) amazing
3 (A) it reports. (B) it is reported (C) it was reporting (D) it reported
4 (A) under (B) at (C) on (D)in
5 (A) lied (B) lain (C) lay (D) lays
6 (A) Additionally (B) Nevertheless (C) As a result (D) Hence
7 (A) Therefore. (B) However (C) In addition (D)Furthermore
8 (A) at (B)by (C) under (D) on
9 (A) until (B) since (C) while (D) before
10 (A) being floated (B) float (C) floated (D) floating
11 (A) hold on to (B) keep an eye one (C) look out (D) look for
12 (A) surface (B) journey (C) flight (D) expert
13 (A) avoid (B) breathe (C) nap (D) float
14 (A) on half (B) halves of (C) halves (D) one half of
15 (A) the others (B) others (C) the other (D) an other
16 (A)awakes (B) awaked (C) awake (D) be awaked
17 (A) aggressive (B) impressive (C) expansive (D) inclusive
18 (A) In addition (B) As a result (C) In stead (D) For example
19 (A) during (B) when (C) for (D) until
20 (A) Along (B) Against (C) By (D) In
21 (A) a few (B) few (C) little (D) a little
22 (A) at flight (B) by flight (C) on flight (D) in flight
23 (A) before (B) since (C) until (D) while
24 (A) As for (B) According to (C) Let alone. (D) Rather than
25 (A) to stayed (B) staying (C) to stay (D) stay
Answer:
1-5 ADBCD
6-10 BADCD
11-15 AABDC
16-20 CBDAA
21-25 CDBBC
