下列有关能源的表述正确的是( )。A．目前核电站对核能的利用方式分为核聚变和核裂变

A new survey of 100 hard-working mothers shows that they spend about 70 hours a week doing chores and looking after their families.

They spend more than ten hours a day cooking, cleaning the house, getting children ready for school and helping with homework. Cooking takes up (占用) about one hour and nine minutes a day. Doing the laundry takes about 61 minutes. Mothers also spend about 55 minutes getting children ready for school, about 53 minutes putting them to bed and about 47 minutes helping with homework.

However, 30% of those mothers with children under 16 get less than six hours’ sleep at night. 83% are not happy because they have less than an hour of their own(自己的) time every day. Only 17% are happy with this kind of life.

小题1:In the survey, mothers spend about 70 hours a week __________.

A．going shopping

B．doing chores

C．looking after their families

D．Both B and C小题2:It takes mothers _________ to cook every day.

A．about 69 minutes

B．about 55 minutes

C．about 47 minutes

D．about 10 hours小题3:In the survey, ________ mothers with children under 16 sleep less than six hours at night.

A．100

B．70

C．83

D．30小题4:From the survey, we know that _________________.

A．no mothers like this kind of life

B．a few mothers are hard-working

C．most mothers want to have more time to do their own things

D．all mothers would like to work harder

下列各句中划线的成语正确的一项是 [ ]

A、王刚前往长沙，刚好遇上歹徒在车上持刀抢劫，他挺身而出，英勇地制服了歹徒，好不让人荡气回肠。

B、他爱读书，并且爱做笔记，养成寻章摘句的好习惯。

C、做学问，往往离不开一个“静”字。身处闹市，如能安之若素，亦可以孕育出丰硕的成果。

D、这番话不免啰嗦，但是我们原在咬文嚼字，非这样锱铢必较不可。

AFIS为全自动单纤维测试系统，HVI900仪器为全自动（）测试仪。

下列不属于控制流测试的是 ______。

A．语句覆盖测试

B．数据流测试

C．条件覆盖测试

D．路径覆盖测试

梅尼埃病的主要病理改变是

A．圆窗膜破裂

B．膜迷路积水

C．听神经变性

D．Corti器的损伤

E．中枢神经变性