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【单选题】
用相同的培养液分别培养水稻和番茄,一段时间后测定培养液中各种养分的含量(两者吸水速率相同).如图表示实验结束时培养液中各种养分的浓度占实验开始时浓度的百分比,根据测定的结果可推知( ) 1番茄和水稻对矿质离子的吸收均具有选择性; 2水稻与番茄相比吸收的Mg相对较少; 3水稻的吸水速率大于吸收Mg和Ca的速率; 4在作物栽培过程中应根据不同作物对矿质营养的需求有针对性地搭配各种肥料的比例; 5水稻对Mg、Ca的吸收以及番茄对Si的吸收不是以主动运输方式进行的.
A.
①②③④⑤
B.
只有①③④
C.
只有①②③④
D.
只有①②③
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参考答案:
举一反三
【单选题】系统规划工作的全面总结和主要成果是( )。
A.
可行性研究报告
B.
数据词典
C.
系统说明书
D.
系统详细调查报告
【单选题】New as I was to the faculty, I could have told this specimen a number of things. (Para. 2) Q: Please paraphrase this part “New as I was to the faculty”.
A.
Although I was a new teacher in the faculty.
B.
I was a new teacher like others.
【简答题】Paraphrase the following sentence into Chinese: New as I was to the faculty, I could have told this specimen a number of things.
【单选题】代表网页文件的扩展名是( )
A.
html
B.
doc
C.
txt
D.
ppt
【单选题】下列程序的运行结果为( ) #include<stdio.h> main() { struc tdate {int year,month,day )today printf('%d/n',sizeof(struct date)) }
A.
8
B.
6
C.
10
D.
12
【简答题】Paraphrase: I could have pointed out that he had enrolled, not in a drugstore-mechanics school, but in a college and that at the end of his course meant to reach for a scroll that read Bachelor of Sci...
【简答题】Paraphrase the following sentence: I could have told him all this, but it was fairly obvious he wasn’t going to be around long enough for it to matter. (para. 3)
【单选题】商务谈判中,若交易条款存在“难题”,明智之举是
A.
按条款顺序依次耐心磋商
B.
从易到难跳跃
C.
从难到易跳跃
D.
是具体情况跳跃
【单选题】商务谈判中,若交易条款存在“难题”,明智之举是( )
A.
按条款顺序依次耐心磋商
B.
从易到难跳跃
C.
从难到易跳跃
D.
视具体情况选择跳跃
【简答题】paraphrase the following sentence Though he tried to feign interest in my pathetic curriculum vitae, I could see that he was devastated.”
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