职工李某2012年3月1日被招入某公司时，公司忘了与其订立劳动合同。李某知道公司如果不与其订立书面劳动合同，依法需要向其支付双倍工资，因此一直不动声色。直至公司对其劳动合同进行普查时，才发现与李某漏签了劳动合同。于是，公司提出要与李某补签书面劳动合同。但李某要求公司先支付其一半工资，否则不同意补签书面劳动合同。公司表示，如果李某不同意补签书面劳动合同，公司将随时与李某终止劳动关系，随后，因李某不同意订立书面劳动合同，公司向李某送达了终止劳动关系的书面通知。李某收到书面通知后，要求公司给予其经济补偿，但公司予以拒绝，双方因此发生了争议。 根据以上资料，回答下列问题：

关于李某要求公司支付两倍工资的说法，正确的是( )。

A:公司应自2012年3月1日起向李某支付两倍工资 B:公司是否与李某订立书面劳动合同都无须向李某支付两倍工资 C:只要李某提出要求，公司就应向李某支付两倍工资 D:公司应当自2012年4月1日起想李某支付两倍工资

O与CO通过呼吸膜的扩散速率比较是

A:O>20倍CO B:O＝20倍CO C:O＝CO D:CO=2倍O

阻塞性黄疸的实验室检查结果是( )

A: B: C: D: E:

吸烟是肺癌的主要致病因素之一，调查表明，吸烟者肺癌死亡率比不吸烟者高几倍

A:8倍 B:6倍 C:5倍 D:10～13倍 E:11倍

School Lunch

Research has shown that over half the children in Britain who take their own lunches to school do not eat (1) ______ in the middle of the day. In Britain schools have to (2) ______ meals at lunchtime. Children can (3) ______ to bring their own food or have lunch at the school canteen. One shocking (4) ______ of this research is that school meals are much healthier than lunches prepared by parents. There are strict (5) ______ for the preparation of school meals, which have to include one (6) ______ of fruit and one of vegetables, as well as meat, a dairy item and starchy food like bread or pasta.

Lunchboxes (7) ______ by researchers contained sweet drinks, crisps and chocolate bars. Children (8) ______ twice as much sugar as¹ they should at lunchtime. The research will provide a better (9) ______ of why the percentage of overweight students in Britain has (10) ______ in the last decade. Unfortunately, the government cannot (11) ______ parents, but it can remind them of the² (12) ______ value of milk, fruit and vegetables. Small changes in their children"s diet can (13) ______ their future health.

Children can easily develop bad eating (14) ______ at this age, and parents are the only ones who can (15) ______ it.词汇：

canteen / kaen"ti:n / n.食堂，小卖部

tarchy  / "stɑ:tʃi / adj. (食物)含有大量淀粉的

注释：

1. ... twice as much sugar as ... ：……2倍的糖分……

2. it can remind them of the ... ：提醒他们关于……

空13

A:damage   B:predict   C:destroy   D:affect

School Lunch

    Research has shown that over half the children in Britainwho take their own lunches to school do not eat (1) ______ in the middle of the day. InBritainschools have to (2) ______ meals at lunchtime. Children can (3) ______ to bring their own food or have lunch at the school canteen.

    One shocking (4) ______ of this research is that school meals are much healthier than lunches prepared by parents. There are strict (5) ______ for the preparation of school meals, which have to include one (6) ______ of fruit and one of vegetables, as well as meat, a dairy item and starchy food like bread or pasta. Lunchboxes (7) ______ by researchers contained sweet drinks, crisps and chocolate bars. Children (8) ______ twice as much sugar as¹ they should at lunchtime.

    The research will provide a better (9) ______ of why the percentage of overweight students inBritainhas (10) ______ in the last decade. Unfortunately, the government cannot (11) ______ parents, but it can remind them of the² (12) ______ value of milk, fruit and vegetables. Small changes in their children’s diet can (13) ______ their future health. Children can easily develop bad eating (14) ______ at this age, and parents are the only ones who can (15) ______ it.

词汇：

canteen /kænˈti:n / n．食堂，小卖部

starchy /"stɑ:tʃɪ / adj．（食物）含有大量淀粉的

注释：

1.    …twice as much sugar as…：……2倍的糖分……

空13

A:damage B:predict C:destroy D:affect

通过听骨链的杠杆作用，可使声压自锤骨柄传至前庭窗增加的倍数为：（）

A:17倍 B:22.1倍 C:1.3倍 D:13倍 E:51倍

通过听骨链的杠杆作用，可使声压自锤骨柄传至前庭窗增加的倍数为：（）

A:17倍 B:22.1倍 C:1.3倍 D:13倍 E:51倍