【单选题】(60) This month lawmakers in France approved a bill banning shale gas drilling after a___________ imposed in March because of safety fears.Times, Sunday Times (2011)
【单选题】Much of the new gas is coming from what were once called “unconventional” sources, such as the shale gas.
【单选题】下列固定修复体龈边缘形态中密合度最差的是
【判断题】固定修复体龈边缘形态中密合度最差的是刃状
【单选题】According to the passage, George Mitchell
A.
discovered the 'unconventional' gas from shale beds.
B.
predicted the world's oil reserve could last for 200 years.
C.
found a successful way of gathering 'unconventional' gas.
D.
noticed that 'unconventional' gas could be used as fuel.