Food ________ in a cool place in summer.

After－cooling of a turbocharged diesel engine will result in ________.

A faulty thermostatic bypass valve, in a diesel engine cooling system, can result in _____

If not stored in the fridge, food is______to deteriorate in summer.A．feasibleB．appropriate

Do they have______air-conditioners for cooling the room in summer？A．a bit ofB．enoughC．a gr

San Francisco is usually cool in summer, but Los Angeles______is.A．barelyB．scarcelyC．hardl

—Do you often go swimming in summer？ —Yes. Swimming in summer is______.A．great funB．a grea