Letter 1
Dear Ann:
I’m going to give a dinner party next month. I want my guests to enjoy themselves and to feel comfortable. What’s the secret of giving a successful party
Mary
Letter 2
Dear Mary:
Cook something that would let you spend time with your guests. If a guest offers to help you in the kitchen, accept the offer. It often makes people feel more comfortable when they can help.
Before serving dinner, while your guests make small talks in the living room, offer them drinks. Some guests may like wine, but make sure to provide soft drinks for people who don’t.
At the dinner table, let your guests serve themselves. Offer them a second serving after they finish, but don’t ask more than once. Most guests will take more if they want.
Perhaps the most important rule of all is to be natural. Treat your guests as you want them to treat you when you’re in their home -- that is, act
A. get the food ready before the guests arrive
B. keep the guests away from the kitchen
C. spend some time with the guests
D. accept the guests’ offer to help
{{B}}Sugar Power for Cell
Phones{{/B}} Using enzymes commonly found in living cells, a new type of fuel cell produces small amounts of electricity from sugar. If the technology is able to succeed in mass production, you may some day share your sweet drinks with your cell phone. In fuel cells, chemical reactions generate electrical currents. The process usually relies on precious metals, such as platinum. In living cells, enzymes perform a similar job, breaking down sugars to obtain electrons and produce energy. When researchers previously used enzymes in fuel cells, they had trouble keeping them active, says Shelley D. Minteer of St Louis University. Whereas biological cells continually produce fresh enzymes, there’s no A. Their limitless power generation capacity is amazing. B. Their limited power generation capacity is a good beginning. C. Their limited power generation capacity is the result of great efforts. D. Their limitless power generation capacity is a major accomplishment. [单项选择]下列属于无阈值效应的是
A. 汞所致的中毒性脑病 B. 四氯化碳所致的肝细胞坏死 C. 氢氟酸所致的皮肤灼伤 D. 乙酰水杨酸所致的胎儿畸形 E. 氯乙烯所致的肝血管肉瘤 [判断题]加热炉氧含量指示为零可能是监测仪表失灵所致。
A.正确 B.错误 [填空题]There is a (child)()innocence between friends.
[单选题]在接到讨要债务的警情时,处警前应注意问明有
关事项,下列说法有误的是() A.问明经济纠纷的具体情况,落实经济纠纷是否确实存 在。 B.问明讨要债务的现场人数 C.问明讨要债务现场是否有暴力行为 D.问明讨要债务的现场是否有人持械 [判断题]在加氢反应过程中,同时发生分子裂解,生成分子量较小的产物的反应称为氢解( ) 反应
A.正确 B.错误 [单项选择]等标污染负荷所采用的评价标准是()
A. 大气环境质量标准 B. 污染物浓度的排放标准 C. 大气卫生标准 D. 地表水环境质量标准 E. 地面水卫生标准 [单选题]<1608>每个过程是可以测量其( )。
A..有效性 B..效率 C..顾客的满意度 D..有效性和效率 [单项选择]注册税务师承办代理业务应由所在( )统一受理。
A. 税务帅事务所 B. 会计师事务所 C. 税务代理机构 D. 税务师事务所所长 [单选题]遇有大风、雨、雪、雾、风沙等恶劣天气影响了望时,应()。
A.继续作业 B.停止作业 C.伺机作业 D.派人了望 我来回答: 提交
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