题目内容
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[单选题]
The article has ______ most useful.
A.provided
B.proved
C.protected
D.prevented
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.provided
B.proved
C.protected
D.prevented
如果结果不匹配，请 联系老师 获取答案
更多“The article has ______ most us…”相关的问题
A.保证一旦被违反，只要被保险人对违反的保证事项采取了补救措施，保险人就不得解除合同。
B.保证一旦被违反，保险人就可宣布合同无效。
C.保证一旦被违反，保险人从保证被违反之日起解除赔偿责任，但对于保证被违反后因保险事故造成的损失，仍应负赔偿责任。
D.保证一旦被违反，保险人从保证被违反之日起解除赔偿责任，但对于保证被违反前因保险事故造成的损失，仍应负赔偿责任。
_ on roofs and telegraph wires.These birds are swallows.They are __62__ together because, very soon, they will be flying __63__ to much warmer lands, where they will find __64__ the small flying insects on which they __65__.There are no such insects __66__ in Britain during the winter; it is __67__ cold for them.
The swallows settle, fly off, swoop, and __68__ again.this they do many times, for they are making short __69__ flights in order to be fit for the long journey __70__ them.
__71__ of these migrating birds leave Britain in the autumn.They fly __72__ for hundreds of miles __73__ they reach the warm lands of Africa.But not all the birds get there, for many of them perish in the stormy weather they meet with __74__.
In the spring of the following year they __75__ the long and tiring journey back to Britain.They return to the identical barn or tree in the __76__ district which they had left the __77__ autumn.How do these birds find their__78__ there and back over such vast distances？ Nobody knows exactly __79__, but it has something to do __80__ winds and air currents.
61.a.being perched b.perched c.being perching d.be perched
62.a.gathering b.assembling c.waiting d.forming
63.a.to south b.the south c.to southwards d.south
64.a.a great number of b.a great deal of c.plenty of d.numerous
65.a.feed b.are fed c.eat d.rely
66.a.near b.about c.nearby d.over
67.a.too b.a bit c.very d.much
68.a.fly off b.swoop c.settle d.turn back
69.a.practical b.practicing c.practice d.practiced
70.a.in advance b.ahead of c.in front of d.in front
71.a.Swarms b.Herds c.Flocks d.Schools
72.a.firmly b.stoutly c.harshly d.steadily
73.a.until b.before c.when d.as
74.a.in the way b.on the way c.half the way d.all the way
75.a.take b.fly c.find d.make
76.a.old b.original c.familiar d.identical
77.a.before b.previous c.above going d.former
78.a.way b.path c.course d.route
79.a.why b.when c.how d.what
80.a.against b.away c.for d.with
