脂肪酸合成过程中，脂酰基的载体是 A．CoA B．肉碱 C．ACP D．丙二酰Co

根据《中华人民共和国消防法》的规定，生产、储存、经营其他物品的场所与()场所设置在同一建筑物内的，应当符合()。

A.居住，云南省消防条例

B.公共，云南省消防条例

C.居住，国家工程建设消防技术标准

D.公共，国家工程建设消防技术标准

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

More perhaps than any other European nation, the Swiss are accustomed to looking after foreign travelers. As early as the 18th century, wealthy French, Germans and Italians were treating the country as a amusement center. _____小题1:_____. Today, it attracts visitors from all over the world.

The Swiss are clear about the importance of tourism to their economy, which contributes about eight percent of Gross National Product, and helps the industry greatly. _____小题2:_____ , and a generally high standard can be expected from the great majority of the country's hotels, most of which are small and pride themselves on a personalized service. _____小题3:_____.  Both the Swiss Federal railways and the private railways are fully electrified, and the total network is made up of about 5000 kilometers of track.

Under the Fly Baggage system passengers can check luggage in at 116 railway stations and have it automatically carried to their flight. The national highway system is equally well planned, and the mountain roads offer views of some of the country's most breathtaking scenery. Also serving the mountains is an effective system of railways and cable ways, while more than 160 passenger cars cross the lakes and rivers to and fro. _____小题4:_____.  For those who want to view the country from a height without having to climb the mountain themselves, it is always possible to take in the view from a balloon.

_____小题5:_____ . For lovers of ancient remains, the Bernese Mitelland offers magnificently preserved buildings of the Middle Ages, while the Bernese Oberland has some of the wrold's most attractive mountain scenery.

A．Modern means of transportations are under construction.

B．Public transport is the best in Europe.

C．In cultural terms, the Swiss capital in many respects is Montreux, on the shores of Lake Geneva.

D．Hiking in the mountains is equally popular with Swiss nationals and foreign visitors.E. For travellers of different kinds, Switzerland has different capitals.

F. Managers of hotels the world over go to Switzerland to learn how to do the job

G. However, in the 19^th century, it became the major holiday playground for the British nobles.

根据“观察洋葱鳞片叶表皮细胞结构”的实验，回答有关问题。

（1）进行该实验时，不需要用到下列哪些器材和药品（填对应的数字）：_______。

①载玻片 ②生理盐水 ③镊子 ④清水 ⑤酒精灯 ⑥滴管

（2）欲使观察到的细胞图像最大，应选用一下图中哪个物镜和目镜（填对应的数字）：_________。

（3）以上甲、乙两图是某同学在显微镜下观察到的情形，这表明该同学在装片制作过程中存在一些不合要求的操作。请你指出：是哪些操作不合要求导致出现甲乙两种情形?

甲：___________________________________________。

乙：___________________________________________。

男，40岁，原有风湿性心瓣膜病主动脉瓣关闭不全，因劳累性呼吸困难1周就诊。体检：胸骨左缘第3、4肋间有舒张期哈气样杂音，心尖部有舒张期杂音。

关于心尖部舒张期杂音是器质性或是相对性狭窄的鉴别，较不可靠的是（）。

A.杂音特点：是否粗糙、递增或递减，有否震颤等

B.拍击性S：有或无

C.开瓣音：有或无

D.心房颤动：有或无

E.X线心影：呈二尖瓣型或呈主动脉型

无准备水上迫降时乘务员指挥口令是（）

A.救生衣在座椅下方，取出穿好

B.客舱内不要充气

C.机组救生衣是红色的

D.Take the west out and put it on.Don’t inflate in the cabin