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
单项选择题 It is Henry Ford's belief that （）
单项选择题 The example of Henry Ford's attitudes towards competition was used to illustrate （）
单项选择题 Laser-doppler radar is especially valuable in space missions because （）
