He [ventured]that plants draw part of their nourishment from the air.

[单选题]In most cases,the _____of a person who sits on a pin is to leap into the ai

[单选题]We can draw a conclusion from the text that______.A．) oil-price shocks are less shocking nowB．) inflation seems irrelevant to oil -price shocksC．) energy conservation can keep down the oil pricesD．) the price rise of crude leads to the shrinking of h

[单选题]We can draw a conclusion from the text thatA． oil-price shocks are less shocking now.B． inflation seems irrelevant to oil-price shocks.C． energy conservation can keep down the oil prices.D． the price rise of crude leads to the shrinking of heavy indu

[单选题]The loss of （） from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.A . lubricating oilB . compressed airC . cooling waterD . sealing ring

[试题]Part A Directions:On your way from Beijing to Paris, you lost you luggage carried by the airline. Write a complaint letter to the service center of the Airline. In your letter, you should tell them1) what happened to your luggage,2) what your luggage

[单选题]? Read this part of a note from Emma Jackson, boss of a French travel agency.We are thinking of printing a brochure to introduce tourist attractions and accommodation facilities in Europe. Please contact the major hotels and scenic spots and the like

[单选题]You can go to every part of America from this city.

[单选题]He is used to flying by air and on no occasion_____frightened.A.he ever fel

[单选题]He traveled to the Northern part of the country, _____he got many newideas

[问答题]Cars play an important role in modern society. But they are also responsibl