单项选择题

The best title of this article is （）.

A．Eating and Sleeping in Space
B．How Astronauts Eat in Space
C．Food for Space
D．How Astronauts Sleep in Space

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热门试题

单项选择题

When many American parents don’ t know how to deal with their children they seek advice from the following EXCEPT（）.

A．neighbors
B．parent-training courses
C．hooks
D．lectures

单项选择题

It can be learned from the passage that （）

A．the person performing the acupuncture knows a lot about the making of needles
B．an operation now needs fewer needles than in the past
C．acupuncture has existed in China for as long as 2,000 years
D．few patients prefer acupuncture to chemicals