题目内容

In early space programs, _______the Apollo missions of the 1960s and 1970s, scientists developed objects for the astronauts to use on the moon.

A. as such
B. as for
C. such as
D. just as

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If you are lost in the woods, a little knowledge can _what some people call a hardship _ an enjoyable stay away from the troubles of modern society.

A. help...with
B. divide...into
C. separate...from
D. turn...into

Streams, _______flow through wetland before they reach a lake or a river.

A. normally
B. frequently
C. scarcely
D. abnormally

Though there are more eatable plants, there may also be wild animals, poisonous snakes, and other________.

A. traps
B. hazards
C. challenges
D. ghosts

A 9-year-old girl in New Mexico has ______more than $500 for her little brother who needs heart surgery in Houston Texas this July.

A. deposited
B. donated
C. raised
D. recruited