[填空题]

In Melissa’ s opinion, what was the worst thing she experienced in the forest

[单项选择]The worst thing about television and radio is that they entertain us, saving us the trouble of entertaining ourselves.
A hundred years ago, before all these devices were invented, if a person wanted to entertain himself with a song or a piece of music, he would have to do the singing himself or pick up a violin and play it. Now, all he has to do is turn on the radio or TV. As a result, singing and music have declined.
Italians used to sing all the time. Now, they only do it in Hollywood movies. Indian movies are mostly a series of songs and dances wrapped around silly stories. As a result, they don’t do much singing in Indian villages anymore. Indeed, ever since radio first came to life, there has been a terrible decline in amateur singing throughout the world.
There are two reasons for this sad decline: One, human beings are astonishingly lazy. Put a lift in a building, and people would rather take it than climb even two flights of steps. Similarly, invent a machine tha
A. TV and radio can amuse us with beautiful songs and music
B. TV and radio have weakened our interest in entertaining ourselves
C. people should not be too lazy or embarrassed to sing
D. parents should sing songs and read books aloud to their children

[判断题]The worst thing that happened to Emma during the Around Alone race was that she broke one leg.

[单项选择]Every living thing has what scientists call a biological clock that controls behavior. It tells plants when to (62) flowers and insects when to leave protective cocoon (茧)and fly away. And it tells animals and human beings when to (63) , sleep and seek food. It controls our body temperatures, the (64) of some hormones and even dreams.
Events (65) the plant and animal affect its actions. Scientists recently found that a tiny animal called Siberian hamster changes the color of its (66) because of the number of hours of (67) . In shorter days of winter its fur becomes white. The fur becomes gray-brown in longer (68) of daylight in summer.
(69) signals control other biological clocks. German scientists found that some internal one seems to order birds to begin their (70) flights two times each year. Birds prevented from flying become (71) when it is time for the trip. (72)
A. product
B. production
C. productivity
D. producer