正确答案: A

正确

题目：被子植物中70％以上的胚囊的发育类型属蓼型(单孢型)。( )

解析：A

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举一反三的答案和解析：

[单选题]If you apply for this position, you ean do all EXCEPT______

ask an agency for an application form

[单选题]在节能减排、公众参与、发展低碳经济的行动中，下列叙述正确的是( )

甲地充分利用太阳能资源，乙地提高能源利用效率

解析：甲地区气候干旱，光照充足，应充分利用当地的太阳能资源，减少对化石燃料的使用，节能减排；乙地区工业发达，能源丰富，但利用率较低，应提高能源利用效率，降低污染排放，大力发展低碳经济。故选项B正确。

[单选题]在根茎过渡区，后生木质都的位置(相对于原生木质部)( )。

由内方移向外方

[单选题]根据下面内容，回答 60 ~63 题： BComputer programmer David Jones earns￡35,000 a year designing new computer games， yet he cannot find a bank ready to let him have a credit card(信用卡)．Instead，he has been told to wait another two years，until he is 18．The 16-year-old works for a small firm in Liverpool， where the problem of most young people of his age is finding a job.David’s firm releases(推出) two new games for the fast growing computer market each month.But David’s biggest headache is what to do with his money．Even though he earns a lot, he cannot drive a car, take out a mortgage(抵押贷款)，or get credit cards．David got his job with the Liverpool-based company four months ago，a year after leaving school with six O-levels and working for a time in a computer shop．“I got the job because the people who run the firm knew

He has a handsome income.

[单选题]

words

[单选题]It can be inferred from the text that the author .

cared much about her children

[单选题]Why did the woman leave her hometown?

To find a job.

[单选题]一年生植物是进化的，多年生植物是原始的。( )

正确

[单选题]What can we learn from the story?A, Comfort in traveling by t rain.

Smiles brighten people up.