螺丝刀又称改锥，它有木柄和胶柄两种，其用途是旋动头部（）的螺钉。

在东西方不同的制度下，国家大事的通过与否决、决策机构与程度各国不尽相同，反映了东西方政治决策系统的差异性。结合所学知识，回答下列问题。 

（1）决定对外战争是国家政治生活的主要内容之一。结合所学知识，根据提示，完成下列问题。

①中国隋朝时对高丽用兵：决策者（或决策机构）是________________。理由是________________。

②公元前420年的雅典：决策者（或决策机构）是________________。理由是________________。

③1840年，英国发动对清朝的鸦片战争，决策者（或决策机构）是___________。理由是____________。

④1914年，德国对英法宣战。决策者（或决策机构）是________________。理由是________________。

⑤1941年，美国对日宣战，决策者（或决策机构）是________________。理由是________________。

（2）第二次世界大战期间，英国首相丘吉尔对美国总统罗斯福说：“总统先生，人们关心的是你在何种程度上不经国会批准而能采取行动，而你不必为内阁所困扰。而另一方面，我从不为议会所困扰，但我事事都与我的内阁商量并获得内阁的支持。”丘吉尔的话反映了美国政体的哪些特征？并指出英国政体有别于美国政体的主要表现。

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下列关于家庭防盗门的说法不正确的是（　　）

A．铁制防盗门的材料属于合金

B．隔着防盗门也能辨别说话的人，依据的是说话人声音的大小

C．防盗门的把手安装在离门轴较远处，利用了力的作用效果与力的作用点有关

D．防盗门锁内加少量铅笔芯粉末容易打开，铅笔芯粉末起润滑作用

Kennedy分类法的依据

A．根据临床上义齿常见牙列缺损的形式
B．根据义齿的特点
C．根据基牙数目
D．根据鞍基与基牙的位置关系
E．根据缺隙部位及形成的支点线

局部麻醉术后麻木症状仍未恢复的可能原因是（）

A.注射区有血肿

B.注射区有感染

C.注射区有神经损伤

D.注射针折断

E.注射区有水肿

Have life insurance Is it enough or maybe too much

Most parents know that they need life insurance. But many would rather have a root canal than shop for the best life insurance policy.
"People don’t think about, ’What will my family do if I am gone and not earning a living ’" says Peter Katt, a fee-only life insurance adviser. "The whole point of this kind of planning is to provide the family with maximum flexibility so they’re not stuck."
(1) Too often, parents make a quick decision, ignoring important considerations. Among their mistakes, one is that they do not buy enough life insurance. (2) "They don’t think that the person who is not bringing in an income needs life insurance," says Greg Daugherty, executive editor of Consumers Union. But if that person dies, the other parent can’t stop working and usually has to pay someone to help care for the family.
(3) Katt recommended that one young couple should buy $3 million for the husband who earns $100,000 a year and $1 million for the stay-at-home wife.
At the same time, many families rely on employer-provided life insurance, but employer-provided coverage is rarely sufficient to support your family. (4) Some employers provide a year’s salary, but that may also fall well short of the amount your family would need to maintain its standard of living.
Some employers let workers buy group life insurance through payroll deductions. That may be a good deal for workers who have health problems that would disqualify them for an individual policy. (5)
Another drawback is that if you leave your job, you may not be able to take your insurance. "Given the job market, most of us are not absolutely certain that our jobs are secure," Daugherty says. (6)
On the other hand, some families buy too much insurance. Not everyone needs life insurance. Some people buy life insurance for babies, which is unnecessary, unless the baby is a child model who is supporting the family, Daugherty says: (7) . Single people and those who have no children to care for usually don’t need life insurance.
Katt says a man with substantial savings in stocks and bonds and other sources of income recently asked him how much life insurance he needs. "I said none," Katt says. (8)
A. Many employer-provided policies provide a death benefit of $10,000 to $25,000 — barely enough to cover your funeral expenses.
B. Families don’t always insure a parent who is staying home to care for the children.
C. "There are people who don’t need life insurance but have it and many more people who need it but are woefully uninsured."
D. The purpose of insurance is to replace the income that a family has been relying on.
E. "Even if you have a lot of insurance at work, it makes sense to have some more insurance on your own."
F. To make insurance more affordable, you may not need to buy the same amount of insurance for both parents.
G. Planning for your death is not a cheerful topic.
H. But if you’re young and healthy, you may be able to get a better rate on your own.