选词填空

　　26-30 BMICK

　　31-35 LOGEJ

　　26。 B admiring

　　27。 M sealed

　　28。 I natural

　　29。 C contains

　　30。 K released

　　31。 L revealing

　　32。 O substance

　　33。 G liquid

　　34。 E evidence

　　35。 J potential

　　段落匹配

　　36-40 EICGK

　　41-45 FBJDH

　　36.E The United States Postal Service has a system to ensure。。。

　　37.I One official says USPS is unique in that it has more direct。。。

　　38.C Natural disasters can have a long-lasting impact on。。。

　　39.G Mail delivery service is still responsible for the completion。。。

　　40.K The sight of a mailman on the street is a reassuring sign of life。。。

　　41.F After Hurricane Katrina interrupted routine delivery， temporary。。。

　　42.B Postal service in some regions in the U.S。 was suspended due to。。。

　　43.J Private postal companies also support disaster relief efforts by。。。

　　44.D A dedicated USPS employee was on the job carrying out duties。。。

　　45.H Postal services work hard to identify items that require priority。。。

　　仔细阅读

　　46-50 DCADC

　　51-55 CBBAD

　　46.D It is a computer program that aids student learning。

　　47.C Students‘ questions were too many to handle。

　　48.A She turned out to be a great success。

　　49.D They could not tell her from a real person。

　　50.C Assign her to answer more of students‘ questions。

　　51.C Not all of them achieved their anticipated goals。

　　52.B To identify reasons for their different outcomes。

　　53.B Its interaction with prospective donors。

　　54.A They should be small to be successful。

　　55.D Their feeling of connection to the scientists themselves。

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