(二)体细胞中遗传因子是成对存在。

(一)生物的性状是由遗传因子(基因)决定的。

第二节 书面表达(满分25分)

最近，有一些澳洲动物要到人民公园展出，请你参考下面图片及提示向观众介绍一种叫考拉的动物。注意：词数110左右，开头结尾已经给出，不包含在总次数中。

Appearance: bear-like but not a bear, weigh about 8-15kg, thick 　 and soft hair, small eyes, hairy large ears, big flat nose

Living: in Australia, feed on leaves of a certain tree, babies weak 　 and small, live in mother’ pocket

Habit: sleep in the daytime, move about at night

Hello, everyone,

I’m so excited to tell you that we have just brought in some Australian animals to display and I’d like to introduce one of them to you all.

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Hoping you’ll get interested in and welcome you here. Thanks.

第一节：短文改错(共10小题；每小题1分，满分10分)

　Tulips are among the most popular flower all the time.　　　　　　　 71. ________

They have an incredibly variety of colors and flower shapes.　　　　　 　　 72. ________

There are now over 3,000 different registering tulips. Every year，　　　　 73. ________

billions of tulips are grown. The majority are exported from Holland.　　 　 74. ________

Most tulips adapted to many different kinds of climates.　　　　　　　 　　 75. ________

The only thing to be careful is to plant them in fairly good soil. If not,　　 76. ________

the bulbs(球茎) may rot after they have a chance to develop a root system.　　　 77. ________

Most tulips bloom well for only one and two years. Therefore, you will　 　　　 78. ________

probably want to dig up the bulbs and put in new one after two years.　　 　 79. ________

However, some types of tulips go good for several more years.　　　　　 80. ________