Pine trees are usually believed to （ ） cold weather.

Most of the fruit trees can not ___ such cold weather and die away, so the resea

[单选题]The journey usually takes six weeks， but you should( )delays caused by bad

[单选题]The price ofvegetables [varies] according to the weather.A.jumpB.risesC.fal

[单选题]The price ofvegetables [varies] according to the weather.A.jumpsB. risesC.

[单选题]The price of food[fluctuates] according to the weather.A.jumpsB.risesC.fall

A red sky in the morning ______ to be a sign of bad weather．（ ）A. saysB. is sayi

We were lost at sea, at the ______ of wind and weather.A. serviceB. expenseC. co

[单选题]In cold, damp weather, the buildup of ice on airplane wings can pose significant aerodynamic problems. Which of the following effects would you expect?A．As ice builds up on the top of the wing, drag increases.B．As ice builds up on the top of the wing

[单选题]C．old weather starting of a diesel engine is more difficult than warm weather starting due toA．use of low viscosity oil in cold weatherB．increased moisture content of inlet air in cold weatherC．increased drag of pistons and bearings due to increased

He suggested the sports meet be ______ because of the bad weather.A. put awayB.