It can be learned from Paragraph 4 that______.
A. private oil companies, non-OPEC countries and governments are powerless
B. OPEC needs to increase the refining capacity
C. everyone should be more focused on geopolitics
D. OPEC can not be solely responsible for increasing refining capacity
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共阴极的半导体数码管应该配用高电平有效的数码管译码器。()
同相比例运算电路中集成运算放大器的反相输入端为虚地。()
The problem with OPECs promise to increase production lies in that______.
A. OPEC is running out of oil
B. OPEC members are quota-bound
C. OPEC is already producing at near full capacity
D. the IE A controls production, not OPEC