单项选择题

An appropriate title for this passage would be （）

A．Rendezvous in Space
B．Landing at a Space Station
C．New Radar for the Space Age
D．Space Navigation

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单项选择题

A．measures the movements of a spaceship by means of light beam
B．makes use of microwaves
C．makes use of sound waves
D．Both A and B

单项选择题

What did the man mean by saying Take it easy unless you want lead for lunch （）

A．Put up your hands.
B．Don't move or I'll shoot you.
C．If you want to have lunch, you must listen to me.
D．You go first slowly and we'll have lunch together.