A．Because she does more housework while the parents are out.B．Because she purchases gr
A. Because she does more housework while the parents are out.
Because she purchases groceries for evening meals.
C. Because she provides special educational entertainment.
D. Because she always baby-sits the kids overtime.
查看答案
Many plant foods provide both many vitamins and minerals of very few calories.
A. Y
B. N
C. NG
In one project of software engineering, the issue that adding more people will not lead to
A. the time that we wait during the process of working
B. complexity of constructing prototype model
C. the number of stations that we need
D. communication complexity among people
下面从文中筛选出的信息错误的一项是：
A. 成体的两栖类动物由幼体时排泄氨转为排泄尿素。
B. 生活在干旱地区的爬行动物其排泄的含氮废物由胚胎期的尿酸转换为尿素。
C. 生活在水中的动物排泄氨或尿素。
D. 氨、尿素、尿酸都是含氮的物质。
上文中考查人的智商的环节是：
A. 第五节
B. 第二节
C. 第六节
D. 第七节
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