基因工程是按人的意愿,运用______方法,对生物的______组成进行“移花接

题型:填空题

问题:

基因工程是按人的意愿,运用______方法,对生物的______组成进行“移花接木”式改造的______技术.

考点:转基因
题型:填空题

阅读下列短文,根据要求完成任务。

Two farmers were on their way home one evening after a hard day's work. Both were tired. They happened to look up at the sky and saw a black cloud overhead.

"Ah!" said one farmer, "tomorrow we shall have rain and the rice will grow well." The second answered, "Nonsense (胡说), the rain will only kill the crops (庄稼)."

So they began to quarrel (争吵). Just then a third farmer came along and asked them why they were quarreling. Both farmers explained about the black cloud.

"What cloud?" asked the third farmer. They all looked at the sky. The cloud was no longer there.

根据短文内容,完成下列句子(所填内容可能是单词、短语或句子):

小题1: The two farmers were going _____________.

小题2:They happened to look up at the sky and saw a black cloud overhead.

英译汉___________________________________

小题3:Who quarrelled  in the text ?________________________

小题4:The third farmer came along and said to the other two. He wanted to___________________.

小题5:How many farmers were there in the text?_____________

题型:填空题

利用粘补工艺修复的零件,只适用于()以下6t场合。

A.300℃

B.250℃

C.200℃

D.150℃

题型:填空题

如果工程内容和技术经济指标规定很明确,工期在1年以上的项目适合于()。

A.估算工程量单价合同

B.不变总价合同

C.纯单价合同

D.可调值总价合同

题型:填空题

典型心绞痛发作时,心电图的改变是()

A.P波高尖

B.异常Q波

C.ST段水平压低0.1mV以上

D.P-R间期延长

E.完全性右束支传导阻滞

题型:填空题

下列对象中,不可以适用统计行政处罚中罚款的是______。

A.迟报统计资料的统计人员甲某
B.提供不真实统计资料的乙公司
C.未建立统计台账的丙公司
D.经催报仍未按时提供统计资料的丁学校

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