清朝前期资本主义萌芽的发展速度很缓慢，其根本原因是[ ] A．农民无力购买手工业

Tom was three years old. He liked to watch TV with his parents after supper, but his parents never let him stay long. Mother would say, “It’s eight o’clock now. It’s time for you to go to bed, Tom.”

“But why don’t you go to bed, too?” Tom always asked.

“We are adults (大人),” mother would say, “And adults go to bed late.”

One evening Tom asked his mother for an apple.

“But it’s too late,” his mother didn’t want to give him anything to eat at bedtime. “The apples are already asleep.”

“But not all of them, Mom.” Tom said, “The baby apples are perhaps asleep, but their parents are surely awake.”

小题1:Tom liked to watch TV with_________ after supper.  

A．his father and mother

B．his sister

C．his grandparents

D．his brother小题2:His parents _______let him stay long.  

A．never

B．sometimes

C．often

D．usually小题3:One evening Tom asked his mother for_________.

A．an egg

B．an apple

C．an orange

D．a pear小题4:His mother didn’t want to give anything to him to eat________.

A．in the morning

B．in the afternoon

C．at bedtime

D．at noon小题5: From the story we know__________.

A．Tom was a quiet boy

B．Tom was a bad boy

C．Tom was a lazy boy

D．Tom was a clever boy

根据以下资料，回答以下各题。

据统计，我国2004-2007年城乡居民消费状况如下表：

2004-2007年城乡居民消费状况表 年份/项目 城镇居民人均生活消费支出(元) 农村居民人均生活消费支出(元) 城镇居民恩格尔系数 农村居民恩格尔系数 2004年 7182 2185 37.7% / 2006年 8697 2829 35.8% 43.0% 2007年 9997 3223 36.3% 43.1%

另据统计，2004年农村居民人均食品消费支出为1032元。

2007年的城镇家庭食品支出额约为( )。

A．1172元

B．1433元

C．3629元

D．4309元

若某生态系统有四种生物，并构成一条食物链a→b→c→d，在某一时间分别测得这四种生物a、b、c、d所含的有机物总量分别为M₁、M₂、M₃和M₄。下列叙述中错误的是[ ]

A．四种生物中所含的能量归根到底来自于a通过光合作用固定的太阳能

B．在一段时间内，若b种群数量增加，则a种群数量下降，d种群数量增加

C．若M₁<5M₂，则生态系统稳态将会遭到破坏

D．d个体所含的有机物的质量一定比c个体所含的有机物的质量小

有价证券具有（）的基本特征。

A.期限盈利流通风险

B.周期盈利流通风险

C.期限收益流通风险

D.周期收益流动风险

某企业加工一批产品5000件，原料成本总额为50000元。加工成本总额为20000元，目标利润为5000元，增值税率为17%，以加工成本为定价基础，计算在价税分离条件下，产品的销售价格。