Their country has plenty of oil, ______ ours has none.A．whereB．asC．whereasD．which

Which of the following adjustments is always required whenever the diesel engine governor oil has been drained and renewed？

The price of oil has gone up.（英译中)

Countries at all levels of economic development face a similar challenge: to make their in

Transnational corporations locate their factories in other countries for all of the follow

Which of the following countries has the largest number of newborn deaths annually？A．India

What kind of damage has the wildfire already caused？A．Local oil tanks exploded due to the