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【单选题】
灌溉水进入田间并湿润植物根区土壤的方式与方法,称为( )
A.
灌水方法
B.
灌水技术
C.
全面灌溉
D.
局部灌溉
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【单选题】I do not think it wise for Judy to lose weight by substituting fruit_______.
A.
with
B.
for
C.
as
D.
by
【多选题】人体色是由于我们体内含有三种色素。这三种色素分别是(多选题)
A.
呈现红色的血红色素
B.
呈现黄色的核黄色素
C.
呈现茶色的黑色素
D.
呈现白色的米色素
【单选题】I do not think it to park our car here.
A.
advice
B.
advise
C.
advisable
【单选题】the Internet is        , I do not think it is a good idea to spend too much time on it.
A.
When; greatly beneficial
B.
As; a great benefit
C.
While; of great benefit
D.
Now; of no benefit
【简答题】燃烧是人类最早利用的化学反应之一,与我们的生活、社会的发展有着密切的联系.以下是关于燃烧的三个实验,请回答问题. 实验1、a、b、c三处物质中能够燃烧的是______(填字母序号),该反应的化学方程式为______. 实验2、集气瓶中充满氧气,胶塞处装有一对石墨电极,分别接到电源的正负两极,电极之间连有一段很细的铁丝.实验时,通入20V的直流电,能够看到铁丝剧烈燃烧.从燃烧的条件的角度分析产生以上...
【单选题】We should take ____ active part in the battle to stop the germs.
A.
the              
B.
an              
C.
/
【多选题】人体色是由于我们体内含有三种色素。这三种色素分别是
A.
呈现黄色的核黄色素
B.
呈现红色的血红色素
C.
呈现茶色的黑色素
D.
呈现白色的米色素
【简答题】Dec. 24, 1848 Dear Johnston, Your request for eighty dollars, I do not think it best to satisfy now. At the various times when I have helped you a little, you have said to me, “We can get along very w...
【简答题】Common sense would tell us that physically active children may be more likely to become active and healthy s. In the United States, elementary and middle schools are advised to give students two ...
【单选题】What does it take to be an active listener?
A.
Reliable hearing.
B.
Active thinking and imagination.
C.
Tremendous concentration and willpower.
D.
Excellent communication skills.
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