一、完形填空
Rob Howes, his daughter Nicky and her two friends, Helen Slade and Karina Cooper went to Ocean Beach in New Zealand, where Howes was a lifeguard (救生员). They
a day on the beach.
The group swam and bodysurfed (冲浪). Then they saw something
. “There are the fins (鱼鳍),” said Howes.
The
saw seven dolphins moving towards them. The dolphins seemed worried. They
the water with their tails. They kept moving in a circle (圆) around the swimmers. Then one large dolphin swam towards Howes and Helen. Next, it dived (潜水) down underwater. That was when Howes saw something grey moving in the
.
A great white shark
underwater. It wasn't far from the people. The shark headed straight towards Nicky and Karina. Now the shark was not slow. It moved
! So the dolphins used their tails to swim even faster. Each one splashed its tail even more. Then Howes knew
the dolphins did so. The dolphins didn't want to
him and the girls. These sea mammals (哺乳动物) wanted to keep them safe.
The dolphins stayed close to the group
the shark left. When Howes and the kids were safe, the dolphins swam away.
“We want to thank them and shake their flippers,” Howes said. This isn't a fishy tale! These dolphins are heroes.

(
A
) 1. A. spent B. missed C. returned D. searched
(
C
) 2. A. broken B. colourful C. strange D. usual
(
D
) 3. A. hikers B. runners C. fishermen D. swimmers
(
B
) 4. A. held B. hit C. cleaned D. offered
(
D
) 5. A. pool B. air C. sky D. water
(
A
) 6. A. waited B. washed C. grew D. flew
(
B
) 7. A. beautifully B. fast C. heavily D. noisily
(
C
) 8. A. where B. what C. why D. how
(
C
) 9. A. play B. trust C. hurt D. protect
(
A
)10. A. till B. because C. if D. after