单项选择题A．the first leg of the new programme is to comeB．two robots will be sent to explore the surface of Earth’s neighbourC．the Satellite Mars Reconnaissance Orbiter will circle the Red Planet while outfitted with a supercamera, capable of photographing objects the size of a footballD．SA plans to deploy a Smart Lander

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单项选择题A．It is an simple explosiveB．It is a military explosiveC．It is made in U. S factoriesD．It can be easily made indoors