患者，女性，58岁，缺失，余留牙良好，下颌舌侧牙槽骨呈斜坡状，用整铸支架可摘局部义齿

先阅读，再判断。(对的写“T”，错的写“F”。)

Dear Grandpa,

    Thank you for the new jeans. They are cool! It's cool in Beijing. I can wear my jeans and T-shirt.  

I have a new jacket. My old jacket is too small. I want to buy a pair of sneakers. They are fifty yuan.

They are too expensive. What's the weather like at the farm? Is it warm?

                                                                                                                                             Love,

                                                                                                                                             John

(      )1. It is warm in Beijing.

(      )2. John has a new jacket.

(      )3. Grandpa is at the farm.

(      )4. The sneakers are thirty yuan.

(      )5. The sneakers are too expensive.

运动会上，田径赛计时员应该（　　）开始计时．

A．听到发令枪声

B．看到发令枪冒烟

C．看到举枪时

D．看到运动员起跑时

保险合同成立后，除法律另有规定或者保险合同另有约定外，（）不得解除保险合同。

A.投保人

B.受益人

C.被保险人

D.保险人

关于财务内部收益率的说法，正确的是()。

A.财务内部收益率大于基准收益率时，技术方案在经济上可以接受 

B.财务内部收益率是一个事先确定的基准折现率 

C.财务内部收益率受项目外部参数的影响较大 

D.独立方案用财务内部收益率评价与财务净现值评价，结论通常不一致

下列各种脾疾病中，存在手术指征的是

A．脾功能亢进

B．脾肿瘤

C．外伤后脾被膜下血肿

D．脾动脉瘤