[填空题]The young driver looked over the engine carefully lest ______ (在途中出毛病).

[填空题]The young driver looked over the engine carefully __________________ (以免出问题)on the way.

[单项选择]The driver carefully checked his car （） it should go wrong on the way.
A. lest
B. or else
C. so that
D. in order that

[单项选择]The young dancers looked so charming in their beautiful clothes that we took ______ pictures of them.
A. many of
B. masses of
C. the number of
D. a large amount of

[填空题]How did Google’s search engine spread all over the world

[单项选择]The man moved （） forward and looked over the edge, shrinking his shoulders.
A. accurately
B. cautiously
C. brilliantly
D. disappointedly

[单项选择]The young man over there is an ______.
[A] American
[B] European
[C] British

[简答题]He looked _________over his shoulder, making sure no one else was listening.

[单项选择]
Young female chimps are faster and better learners than young male chimps, suggests a new study, echoing learning differences seen in human girls and boys.
While young male chimps pass their time playing, young female chimps carefully study their mothers. As a result, they learn how to fish for tasty termite snacks over two years before the boys.
Elizabeth Lonsdorf, now at Lincoln Park Zoo in Chicago, US, and colleagues at the University of Minnesota, Saint Paul, spent four years watching how young chimpanzees in the Gombe National Park in Tanzania learned "cultural behavior".
The sex differences in learning behavior were "consistent and strikingly apparent", says the team. The researchers point out that similar differences are seen in human children with regard to skills such as writing. "A sex-based learning differences may therefore date back at least to the last common ancesto
A. Because young female chimps don’t play with their brothers.
B. Because young female chimps begin to study their mothers earlier.
C. Because young male chimps never learn to fish for termites.
D. Because young male chimps are not interested in termites.

[填空题]Many young ambitious young people went to work in the theater business so as to get fortune and fame.

[单项选择]Young men often give flowers to young women when they are in love. This tradition may have come from Turkey.
In the 1700s in Turkey, it was quite popular for people in love to send each other baskets full of strange things. The baskets were delivered secretly to the person who was receiving it. Usually, an old woman who sold flowers or fruit on the street left the basket beside the person’s door.
These baskets included a variety of "gifts": flowers, stones, feathers, wax, and even charcoal. Each thing in the basket had a special meaning. By figuring out the secret message contained in each item, the person who received the basket began to understand little by little the true feelings of the person who sent it.
(50) This idea of sending gifts of love with secret meanings quickly spread to Germany, France and England. However, as time passed, only sending flowers remained popular. An innocent bunch of flowers told young ladies about the feelings in the hearts of you
A. A dictionary told them.
B. A person in love told them.
C. Their parents told them.
D. Their friends told them.