炊事人员应按规定体检，并取得（），工作时应穿戴工作服、工作帽。

糖尿病人应尽量不吃零食，要戒烟、戒酒。

数值资料的频数分布中，高峰位于中央，图形的左右对称的分布是（）

A.正态分布

B.正偏态分布

C.负偏态分布

D.二项分布

E.泊松分布

复制眼

正常进食后4小时测定甲、乙两人的血糖浓度，甲为0.14%，乙为0.1%．然后再给甲、乙分别口服100克葡萄糖，并每隔半小时测定一次血糖浓度，结果如图：

（1）甲、乙两人中糖类代谢及其调节功能比较正常的是______，理由______．

（2）在乙的血糖浓度变化的调节机制中，参与的主要激素物质是______．

（3）造成甲的血糖浓度变化可能原因是______；  此人可能患有______病．

Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to ______ Web sites without their knowledge or consent. Pharming has been called"phishing without a lure".
In phishing, the perpetrator sends out legitimate-______ e-mails, appearing to come from some of the Web’s most popular sites, in an effort to obtain personal and financial information from individual recipients. But in pharming, larger numbers of computer users can be ______ because it is not necessary to target individuals one by one and no conscious action is required on the part of the victim. In one form of pharming attack, code sent in an e-mail modifies local host flies on a personal computer. The host files convert URLs into the number strings that the computer uses to access Web sites. A computer with a compromised host file will go to the fake Web site even if a user types in the correct Internet address or clicks on an affected ______ entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing ______.

A．connecting
B．binding
C．100king
D．contenttagging