(Alike) other forms of energy, natural gas (may be used) to (heat) homes, cook food, and even (run) automobiles.（）

单项选择题According to paragraph 1, nuclear experts thought that in order to make nuclear power safer the first thing to do should be （）.

A．to improve the training of operators and the design of the reactors’ control systems
B．to inspect nuclear power plants in the Third World
C．to send safety review teams to all the developed countries
D．to hold a meeting on the Chernobyl accident

单项选择题Please send (me) information (with regard of) (insurance) policies available (from) your company.（）

A.me
B.with regard of
C.insurance
D.from