21.B.students will be interested in the topic
23.A.include so many participants
24.C.data may not be reliable
25.Background Research C.too detailed
26.Other similar research B.not enough interest
27.Research Topic H.
28.Market Research D.statistics incomplete
29.Presentation E.needs more expert opinion
30.Future Research F.must be more relevant
Passage1：Crops and Americas
Spanish like potato for its 1.yield,also for its value of 2.ascorbic acid.
Europeans like the 3.flavour of it and Mexicans began eating it at or before 4.1537
5.Cocoa were drunk by Mexicans already when the Europeans arrived NOT GIVEN
6.Maize,rice and wheat require different climate conditions TRUE
7.All Europeans attempts to cultivate agrave failed FALSE
8.Priestly's sample of rubber was transported through South America by the British FALSE
9.Europeans first found a use for rubber FALSE
10.a species of it has serious problems E.tomato
11.Europeans have changed the way to cook it E.tomato
12.Can be used to make paper A.agrave
13.Can be used to make sweetener C.maize
Passage2：The Internal Clock
14.support from earlier research on insects F.
15.criticism of the way the data was analysed D.
16.reference to a test on plant A.
17.statement that creatures have slight different clocks E.
18.reference of a theory that tries to explain the phenomenon C.
SCN can perceive 19.daylight connected to the eye.Some years later,research involved 20.fruit flies show that they have 21.genesin their cells.Research reveals a 22.circadian cycle.
23-24.Which two problems are mentioned
C.increase in traffic casualties in some time of a day
D.decrease in productivity in certain time in a day
25-26.Which two problems remain to be solved
C.how the internal clock relates to the Sun's
D.why internal clocks in an organism synchroise with on another
Passage3：The Voynich Transcript
27.The times of the word appearing suggests that the transcript may be written by artificial language D.William Friedman
28.Unlike other mysterious objects,people have direct access to the transcript A.Gordon Rugg
29.The transcript may be written when the author was not sane E.Rob Churchill
30.The true author may be the same one suggested by Volnich C.William Newbold
31.It is uncertain when the transcript was written NOT GIVEN
32.Volnich donated the transcript NOT GIVEN
33.Interest of it extends beyond academics and professional codebreakers TRUE
34.The transcript contains only under 70 symbols 原文说more than
William Newbold used a 35.microscope to look at it.William Friedman thinks the language is based on 36.concepts and the 37.computer can advance the codebreaking field.Gabriel Landini 38.不详 and Gordon Rugg sees elements on a 39.table
40.The aim of the author is to
C.show numerous attempts of scholars to decipher the transcript
小作文：表格 The table gives information about age,incom and poverty population in 3 states in USA in 2000.
大作文：Some groups of people have benefited from the modern communications technology but some people have not benefited at all.Do you agree or disagree?