A-A+
Hydrogen ______.A．is a widely-used fuelB．is no
问题详情
Hydrogen ______.
A．is a widely-used fuel
B．is not yet in general use as a fuel
C．is not a particularly easy fuel to store
D．is a more economical fuel than wind energy请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：细节题。文章最后一句中讲到“unless…we move to the widespread use of a fuel like hydrogen”，这是假设氢燃料的广泛使用，可见氢燃料尚未普遍使用。
