(D)more carefully 4.(B)in May 1978 【查看更多】

 

题目列表(包括答案和解析)

完形填空

  Balloons have been used  1  sport balloons: gas, and hot air. Hot   air balloons are safer than gas balloons,  2  may  3  fire. Hot air balloons are   preferred(更喜欢)by most balloonists in the   United States because of  4  safety. They are also cheaper, and  5  to manage   than  6  balloons. Although it is easy to operate a balloon, pilots must  7  the   weather carefully. Sport balloon flights are best early in the morning or late in the   afternoon,  8  the wind is light.  9  the years, balloonists have tried  10  to   cross the Atlantic Ocean. It  11  until 1978  12  three American balloonists   succeeded. It took them  13  six days to  14  their trip from their homes in the   United States  15  Paris, France. Their voyage captured the imagination of the whole   world.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
1.
[  ]
1.A.at B.for C.with D.to
2.
[  ]
2.A.that B.itC.what D.which
3.
[  ]
3.A.catchB.set C.make D.bring
4.
[  ]
4.A.their B.it C.its D.theirs
5.
[  ]
5.A.good B.easier C.difficult D.greater
6.
[  ]
6.A.hot B.air C.gas D.sport
7.
[  ]
7.A.look B.see C.think D.watch
8.
[  ]
8.A.where B.when C.which D.what
9.
[  ]
9.A.For B.Over C.in D.Among
10.
[  ]
10.A.successful B.unsuccessfully C.unsuccessful D.successfully
11.
[  ]
11.A.was B.wasn't C.had D.hadn't
12.
[  ]
12.A.that B.which C.what D.for
13.
[  ]
13.A.just B.a C.moreD.less
14.
[  ]
14.A.make B.have C.find D.go
15.
[  ]
15.A.at B.from C.to D.for

查看答案和解析>>


同步练习册答案