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【单选题】
PTC味盲为常染色体隐性性状,我国汉族人群中PTC味盲者占 9% ,相对味盲基因的显性基因频率是
A.
0.7
B.
0.49
C.
0.42
D.
0 . 3
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参考答案:
举一反三
【判断题】理论和实践都证明,市场配置资源是最有效率的形式。市场决定资源配置是市场经济的一般规律,市场经济本质上就是市场决定资源配置的经济。()
A.
正确
B.
错误
【单选题】市场决定______是市场经济的一般规律。
A.
资源配置
B.
资源利用
C.
经济制度
D.
经济环境
【单选题】Thanks for _______________. [     ]
A.
come to see me
B.
to come to see me
C.
coming to see me
D.
coming see me
【简答题】Fill in each of the following blanks with the proper form of the given words. 1. The government is going to introduce some economic ________(adjust) policies. 2. The writer is unique in __________ (po...
【简答题】Complete each sentence with the proper form of the word given in the brackets. 1. The government is taking all measures to ensure that markets are flourishing and prices are__________(stability). 2. A...
【单选题】听力原文:M: Doctor, I work from Monday to Friday. W: Please come to see me this weekend Q: On which day can the man come to see the doctor? (3)
A.
Monday.
B.
Thursday.
C.
Friday.
D.
Saturday.
【简答题】My plane ________ at 9 o'clock tomorrow morning. Will you come to see me off? A) will be leave B) leaves C) will have left D) is left
【简答题】B. Fill in each of the following blanks with the proper form of the given words. 1. The government is going to introduce some economic _____________ (adjust) policies. ※ 2. The writer i...
【判断题】在日常工作中,最好事先就安装好数据恢复工具软件,一旦出现文件的误删除,就可以马上进行恢复,成功率是最高的.。( )
A.
正确
B.
错误
【判断题】市场决定资源配置是市场经济的一般规律,市场经济本质上就是市场决定资源配置的经济。
A.
正确
B.
错误
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