The is employed to warm up a large diesel engine before its starting.A.hot airB.hot boiler

The reason why it is difficult to get rid of the threat of global warming is that______.A．

What is the expectation of the employers to their employees？A．Be optimistic.B．Be flexible.

What is another important factor to accelerate the warming loop？A．Dark oceans absorb more

What is the chief danger the Thames can bring to Londoners？A．Global warming.B．Flooding.C．E

The water is warm enough for us______.A．to go swimmingB．going swimming eitherC．to be going

The phrase "warm up to " in the third paragraph can be most likely replaced by______.A．bec