编制利润表

Naturally ,American schoolchildren love holidays .And they get a lot of them each year .Besides having national holidays such as Thanksgiving and Presidents; Day off from school ,students get longer breaks in the US only go to school for about 180 days a year.To students ,holidays are perfect .However ,parents think there are advantages and disadvantages .

On the one hand ,school holidays allow families to spend time together .Many American parents take time off from work during June,July or august to travel with their children on vacations either in the US or in a foreign country .On the other hand ,schoolchildren get much more time off school than parents get vacation for an time.This means that parents with young children may have to pay more in the babysitting or day care coats.As well ,the long summer holidays mean that students sometimes get bored.

Besides going on trips with their parents ,American students enjoy taking part in different kind s of activities during the holidays .For example ,some kids enjoy summer camps and outdoor adventure holidays .Such trips are great  adventurous students .They  also have a lot to offer students who aren’t usually interested in traditional PE activities .ou can do courses in survival skills ,for example .Students learn how to make a camp in the forest ,which wild food they can eat and how to find their way to make a camp in the forest,which wild food they can eat and how to find their way back to the center.

Students who are not excited about summer camps and outdoor adventure may take part in courses in computer game design ,film making and photography  during the holidays .Finally ,the traditional school trip to foreign countries is always popular .Students can practice their foreign language skills and experience every day life in a different culture.

小题1:How long are kids in the US at school every year?

About 180 days     B.About 280 days

C.About 200 days   D.About 300 days

小题2:What does the underlined “they “refer to in the third paragraph?

A．Some kids

B．Different traditional PE activities

C．Parents

D．Summer camps and adventures小题3:Which of the following is true ?

A．Both parents and students think school holidays are perfect.

B．Parents can take care of their young kinds of activities

C．Students enjoy taking part in different kinds of activities during holidays .

D．Students don;t like to have school trips to foreign counties during holidays .小题4:What would be the best title for the passage ?

A．School Trips in the US .

B．school Holidays in the US .

C．School Activities in the US.

D．Outdoor adventure in the US

男，56岁，骶部持续性疼痛，夜间加重，结合图像，最可能的诊断是（）

A.脊索瘤

B.骨转移瘤

C.骨肉瘤

D.多发性骨髓瘤

E.骨巨细胞瘤

支配眼轮匝肌的神经为（）

A.三叉神经

B.滑车神经

C.动眼神经

D.外展神经

E.面神经

回收站与剪贴板一样，是内存中的一块区域。( )

甲状腺激素的靶器官是（）

A.睾丸

B.垂体

C.下丘脑

D.全身细胞