某校九年级综合实践活动小组用一定量的溶质质量分数为10%的过氧化氢溶液和二氧化锰

阅读理解。

        The celebration of Thanksgiving will be not perfect without turkey. It gets its name from the turk

turk sounds it makes when frightened. Turkey was at one time being considered as the national symbol

(象征) of America. Benjamin Franklin felt that turkey was the, right choice because it was a good runner

and had good eye. 

       It is said that pilgrims (清教徒) had a large meal with cooked turkey after their first harvest in the

year 1621.It continued for three days and included ninety Indians.    

      Queen Elizabeth of 16th century England ate roast goose (烤鹅) during a harvest festival. From

then on, goose became a favorite bird at harvest time in England. However,when the pilgrims arrived in

America, they replaced(用......替换) the roast goose with roast turkey as it was easier to find.

      Today,every house cooks turkey as the main dish during the celebration. The festival completes

with the ' Turkey Song' .

1. Why did Benjamin Franklin feel that turkey could be considered as the national symbol of America?

__________________________________

2. How many Indians were there during the large meal served by the pilgrims in 1621? 

3. What does the underlined word "it" refer to in the third paragraph?

4. What's the best title of this passage?

FIDIC施工合同条件为了合理地分担风险责任，定义投标截止日期前第28天为“基准日”。从此日期起至( )止的期间内，有经验承包商在投标阶段不能合理预见的风险归业主承担。

A．开标日

B．工程师发布开工令日

C．工程师颁发工程接收证书日

D．工程师颁发履约证书日

有关静脉尿路造影腹部压迫的叙述，错误的是

A．防止对比剂流入膀胱

B．压迫点为脐下方两侧

C．压迫球呈正八字形放置

D．压力为5.3～8.0kPa

E．观察全尿路时解除压迫

设—线性表中有a1，32，…，a500个元素按递增顺序排列，则用二分法查找给定值K，最多需要比较 【3】 次。

开工审查的人员组成为（）

A.各生产单位负责该项目（工序）的工艺技术人员组织

B.各生产单位质量、生产、设备和人力资源等相关人员参与审查

C.以上都是