单项选择题

What happened in 1981

A．A space programme was suspended.
B．Five men were injured during an accident.
C．An accident occurred before a rehearsal.
D．No accident happened that year.

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热门试题

单项选择题

What is a diversified portfolio of investments according to Mr. Boros

A．A wide selection of investments.
B．A limited range of growth stocks.
C．A group of low risk bonds and cash.
D．A group of high risk mutual funds.

单项选择题

What happened on January 27th, 1967

A．Three men were injured during a fire.
B．One man died during a fire accident.
C．A fire started inside a spaceship.
D．A spaceship was launched.