单选题By doing the "tank test", the engineers can find out______.

单选题Howmuchapoundaretheseoranges?

单选题It's rude (元礼的，猛烈的) of you to shout______the room.

单选题Today's trumpet is one of the world's oldest instruments. It is result of many centuries of development. Although it looks nothing like its ancestors, there are many similarities. All trumpets are bellow tubes. They all use the player's bps to produce the basic sound. The trumpets developed as players and makers worked to improve its design, size, shape, material, and method of construction. They wanted to create an instrument that would produce a beautiful and attractive tone, enable the performer to play all the notes of the scale, extend the range higher and lower, make it possible to play more difficult music, and, in general, be easier to play well. The remarkable way in which the modem trumpet achieves these goals is a measure of file success of all those who struggled to perfect this glorious instruments. The trumpet is actually the leading member of an entire family of related instruments. There are trumpets of several different sizes, and in several different keys. There are trumpets of several different sizes, and in several different keys. There ale cornets, bugles, flugehorns, and a number of others that are all similar to the trumpet in the way they are made and played. The trumpet family is much more than a group of related instruments that stir one with their sound, or narrow tubes of metal capable of producing a variety of musical sounds. It is a link to many different periods of history and to people of many cultures. From the use of trumpets in accident religious ceremonies to the part riley play in modem rock bands the trumpet family of instruments has much to tell about civilization and its development.

单选题What'sthemandoing?A.Makingasuggestion.B.Makinganapology.C.Makinganexcuse.

单选题What does "the groom got cold feet" mean in the first paragraph?

单选题Children are becoming more inactive in study because ______.

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单选题Why can't Stella play?

单选题Whatistheprimarybusinessforamuseum,accordingtothespeaker?

单选题She was so ______ when heard from her husband, for that was the first letter he wrote to her since the war has begun. A.astonishing B.astonished C.to astonish D.astonishes

单选题The water will be further polluted unless some measures______

单选题Go and see ______ upstairs.[A] whether Mike is up to[B] what Mike is up to[C] what Mike does[D] what is Mike doing

单选题The monkey at last became angry because ______.

单选题WhereshouldMissJenkinsworkin?[A]Aschool.[B]Ahospital.[C]Acompany.

单选题--The book isn't easy for Jack to understand, is it?-- ______. His foreign language is far better than expected.

单选题—Oh no! I put my bag down here, but now it’s gone. — ____. Shall I call the police?

单选题Howmuchisalargebottleofaspirin?