（）是教学工作的中心环节

下列关于财务内部收益率的说法中，正确的有（）。

A.当财务内部收益率高于目标收益率时，投资项目是可行的

B.财务内部收益率是当项目寿命期终了时所有投资正好被收回的收益率

C.财务内部收益率是使项目的财务净现值大于O的折现率

D.财务内部收益率是投资者可以接受的最高贷款利率

E.财务内部收益率越高，投资风险就越小

上挑式传、接棒方法有什么优、缺点？

课文填空（每空1分，共15分）请根据课文内容填出正确的词或短语。

Our eating habits have changed, as_____________ our way of life, and the fuel we need for our body is also different. Other nutrients, such as fiber and minerals, help keep our body_______________ well. Vitamins, which we can get from eating vegetables, fruit, fish and drinking milk, help our body_______________ disease. It is probably better, however, if we spend our time and money in buying good food and ______________ a balanced diet. If we eat healthy food in the right______________, we do not have to buy any supplements. The same goes for “crash diets” that some companies say will make us________________ fast. ________________ eating expensive diet food or going on unhealthy diets, we can simply try to eat less fat and sugar and ________________ more.

Kwanzaa is a seven-day festival _______________ the culture and history of African Americans. Kwanzaa is a time for learning_______________ joy. On the last day of Kwanzaa, family and friends _________________ to enjoy a large meal and to celebrate the new year. 

_______________ a new festival may seem an unusual way to celebrate history and culture, but we are in fact creating new festivals every year. __________________ we celebrate a festival it changes a little and in that way we keep our culture________________ . The Spring Festival, Christmas, Ramadan, Kwanzaa and all the other holidays and festivals help us understand who we are, remember where we come from, and _________________ our hopes for a happy future. 

老年，男性患者，发现右侧腹股沟可复性肿物3年。8小时前，用力咳嗽后突感疝块明显增大，腹痛剧烈，伴呕吐、发热、全身不适。查体：右腹股沟及阴囊可扪及肿块，张力高，明显触痛。全腹有压痛、肌紧张。白细胞计数2×10⁹，目前准备急诊手术治疗。

下列术前护理措施中，不正确的是（）

A.禁饮食

B.备皮

C.排空膀胱

D.灌肠

E.给麻醉前药物

在吃西餐时，海鲜、蔬菜和甜点应与（）搭配。

A.红葡萄酒

B.白葡萄酒

C.白酒

D.啤酒