某生物兴趣小组的同学做了“探究玉米种子萌发的环境条件”实验:在甲、乙、丙、丁四个

题型:探究题

问题:

某生物兴趣小组的同学做了“探究玉米种子萌发的环境条件”实验:在甲、乙、丙、丁四个烧杯里分别放等量的棉花,在将相同数量的玉米种子放在上面,在不同条件下进行培养。数日后记录发芽情况如下:

装置
种子所处环境
实验结果
干燥的棉花,置于25℃的橱柜中
种子不萌发
潮湿的棉花,置于25℃的橱柜中
种子萌发
潮湿的棉花,置于冰箱冷藏室(4℃)
种子不萌发
棉花和种子完全浸没在水中,置于25℃橱柜中
种子不萌发

(1)通过本实验可以看出,_______________是影响种子萌发的环境条件;乙装置在该实验中起________作用;要想证明“温度是影响种子萌发的环境条件”,可选用_______装置。(2)若想探究“光照对玉米种子萌发的影响”,你认为该如何设计实验? __________________________________________________________________________。

考点:种子萌发的条件和过程科学研究方法
题型:探究题

B Customs of Bulgaria: Marriage and Family保加利亚习俗:婚姻与家庭
The average age for women to marry is between 18 and 25.25 tend to (1) when somewhat older. A church wedding often (2) the legal civil ceremony, and a large reception, which often involves (3) music and dancing, is held in the evening. Wedding traditions include (4) money on the bride’s dress to represent future prosperity, the groom (5) the bride at her home, and the couple pulling on opposite (6) of a loaf of bread—whoever gets the largest piece will be (7) boss of the family. Honeymoons are a new tradition.
The principle (8) mutual support is valued in the Bulgarian family. The elderly are (9) cared for by their adult children. Unmarried adults live with their (10) and many newly married couples live with one set of parents (11) they are able to get housing of their own. Most families (12) urban areas live in apartments, which are in short
supply, while (13) in rural areas usually have their own houses. Many village houses (14) owned by families who live in urban areas, who use them_ (15) summer and weekend retreats, or for retired parents.
Most families in (16) areas do not have more than two children, while families in (17) areas tend to be larger. Grandparents play an important role in (18) care, particularly in urban areas, where most women work outside the (19) . Men of the younger generation have begun to help with household (20) , once considered only women’s responsibility.

题型:探究题

测试与排错是相互联系而又性质不同的两类活动,( )是排错所应具有的特征。

A.证实程序有错,修改程序错误

B.修改程序错误,忽视对象细节

C.修改程序错误,了解对象细节

D.忽视程序细节,了解对象细节

题型:探究题

我国水能资源最丰富的水系是[ ]

A.长江

B.黄河

C.珠江

D.雅鲁藏布江

题型:探究题

银行内部控制构成要素中,控制活动的控制措施不包括()。

A.相容职务分离控制

B.授权审批控制

C.财产保护控制

D.预算控制

题型:探究题

患者鼻塞,流黄浊涕,微恶风,头胀痛,咳嗽咳痰黄黏,咽喉红肿疼痛,口干欲饮,舌苔薄白微黄,舌边尖红,脉浮数。其中医证型是()。

A.风热犯表证

B.风寒束表证

C.气虚夹湿证

D.阴虚内热证

E.暑湿伤表证

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