[单项选择]Although they are very succinct—that is why they caught on—cliches are wasted words because they are （） expressions rather than fresh ones.
A. stale
B. stainless
C. stable
D. spotted

[单项选择]Although they are very succinct ——that is why they caught on ——cliches are wasted words because they are ______ expressions rather than fresh ones.
A. stale
B. stainless
C. stable
D. spotted

[单项选择]John and Kate got married although they are very ______ from each other.
A. separate
B. distant
C. different
D. distinguishable

[单项选择]

Passage Five
Although no one is certain why migration occurs, there are several theories. One theory is based upon the premise that prehistoric birds of the northen Hemisphere were forced south during the Ice Age, when glaciers covered large parts of Europe, Asia, and North America. As the glaciers melted, the birds came back to their homelands, spent the summer, and then went south again as the ice advanced in winter. In time, the migration became a habit, and now, although the glaciers have disappeared, the habit continues.
Another theory proposes that the ancestral home of all modern birds was the tropics. When the region became overpopulated, many species were crowded north. During the summer, there was plenty of food, but during the winter, scarcity forced them to return to the tropics.
A more recent theory, known as photoperiodism, suggests a relationship between increasing daylight and the stimulation of certain glands in the birds’ bod
A. birds should migrate in the middle of the winter
B. longer days cause changes in the bodies of birds
C. seasonal changes in the length of days do not affect migration
D. increasing daylight increases the distance of migration

[单项选择]Although the life was very harsh, the doctor remained on the island for the reason of the people.（）
A. sake
B. aid
C. privilege
D. concern

[单项选择]Although the sport is very popular, some people are still ______.


A. expanding its equipment
B. asking for instructions
C. afraid of going down the mountainsides
D. curious about the sport

[单项选择]Although her marriage was very unhappy, Mrs. Stephens remained with her husband for the ______ of the children.


A. reason
B. sake
C. care
D. convenience

[单项选择]Although the weather was very bad, the buses still ran on ______.
A. list
B. plan
C. arrangement
D. schedule

[单项选择]Although we are not sure why we sleep, there is no doubt ______ we need to do so.


A. whether
B. why
C. what
D. that

[单项选择]Why was the boy very pleased


A. Because he got a mirror.
B. Because he saw himself.
C. Because he found himself good-looking.

[单项选择]Although the accident did very little （） to the car, I still suggest that you drive more carefully next time.
A. demolishment
B. ruin
C. destruction
D. damage