中东的石油主要分布在[ ]
A、波斯湾及其沿岸
B、红海及其沿岸
C、地中海及其沿岸
D、黑海及其沿岸
答案：A
拱板
It has been proved taking exercise regularly does good to one’s health.
A．whether
B．when
C．what
D．that
