Question

5．The swallows of Capistrano may be famous for returning to the same nests each spring．But they have nothing on the purple martins（紫燕）．These beautiful birds spend each winter in the warm climate of south America，then return each spring to nesting places in the Southeastern United States．
    Purple martins are birds that are pleasant to watch．Many people also like to have the martins around because the birds control insect pests．If hollow gourds（空葫芦） with two-inch open spaces are hung out for them，martins are happy to move in．They require only small open spaces to discourage wild animals from eating them．The gourds should also be hung in an open place away from buildings or trees，so squirrels（松鼠）or cats can't disturb the birds．
    Common garden grown gourds sometimes rot（腐烂）in the climate of the southeast，so many purple martin lovers have tried using different materials to create stronger nest．Lengths of plastic pipe have been used，along with old-fashioned wooden bird houses with martin-sized entrance holes，but the birds clearly prefer the shape of a gourd．One company is now selling a plastic gourd，just the right size and shape with a two-inch entrance hole for the martins．The hole is high enough to allow the martins about four inches．The plastic gourd is somewhat attractive and can be used for a long time．
    The permanent（永久的）state is important for martin lovers because the birds can become almost part of the family．Some families have had the same groups of martins returning to their yards each year for sixty days．
43．The purpose of the passage is toB．
A．discuss the swallows of Capistrano
B．describe homes for purple martins
C．discuss the season journey of purple martins
D．discuss the uses of gourds
44．According to the passage，which of the following statements is Not True？C
A．Gourds should be hung in open spaces．
B．Small open spaces in gourds discourage wild animals．
C．The swallows of Capistrano are actually purple martins．
D．Plastic gourds are now being sold as homes for purple martins．
45．It can be concluded from the passage thatA．
A．some people try to make proper nest to attract purple martins
B．purple martins never nest in the same place tw o years
C．too many purple martins nesting in one area can become a harm
D．plastic gourds are not as good as wooden bird houses
46．The passage suggests thatD．
A．wooden bird houses are too small for purple martins
B．Purple martins refuse to live in any place but plastic gourds
C．purple martins are dangerous to small animals
D．Purple martins don't like to live with squirrels．

Answer 1

分析 本文主要介绍紫燕的生活习性和人们喜欢它们的原因．

解答 BCAD
43  B    主旨大意题．  通读全文可知V本文主要介绍紫燕的生活习性和人们喜欢它们的原因．故选B．
44  C  细节题． 根据文章第一 段The swallows of Capistrano may be famous for returning to the same nests each spring．But they have nothing on the purple martins（紫燕）．可知燕子和紫燕没有任何共同点，故选C．
45  A  细节题． 根据文章最后一段The permanent（永久的）state is important for martin lovers because the birds can become almost part of the family． 可知一些紫燕爱好者喜欢给紫燕提供永久性的巢穴，故选A．
46  D  推理判断题．  根据文章第二 段The gourds should also be hung in an open place away from buildings or trees，so squirrels（松鼠）or cats can't disturb the birds．可知紫燕住在葫芦里的目的是为了躲避松鼠的骚扰，故选D．

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