一种生物的连锁群数目总是同它的细胞染色体数是一致的。
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This is more than an apple.
A. informal
B. innormal
C. ordinary
D. ordinal
Aboriginal culture was totally disrupted by ___
A. European settlement ofAustralia from1799 onwards
B. wars among different Aboriginal tribes
C. bush fires, floods and droughts
D. the development of science and technology
Apart from massacres, large numbers of Aborigines also died because of ___
A. the European way of living
B. the firearms of the white settlers
C. the impact of diseases introduced intoAustralia by the white settlers
D. the resistance put up by the Aborgines
It is assumed that the first Europeans who reachedAustralia's shores were ___
A. Dutch
B. English
C. Germans
D. Spanish and Portuguese
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