问题 多项选择题

地高辛与洋地黄毒苷比较有如下特点

A.结构中C12位、C14位各有一羟基、极性略高

B.原形经肾排泄略多

C.口服吸收稳定完全,生物利用度高

D.肝内代谢转化较多

E.半衰期较长

答案

参考答案:A,B

阅读理解

Luggage

We ask you to keep a medium-sized suitcase per person, but a small holdall(手提箱) can also be taken onto the coach

Seats

Requests for particular seats can be made on most coach breaks(巴士旅游)when booking, but since seats are booked on a front come, first serve basic,early booking is advisable.When bookings are made with us,you will be offered the best seats that are available on the coach at that time.

Travel Documents

When you have paid your deposit(订金), we will send you all the necessary documents, so that you receive them in good time before the coach break leaving date Certain documents,for example,air or boat tickets, may have to be reserved保存 and your guide will then give them to you during the break.

Special Diets

If you require a special diet,you must inform us at the time of booking with a copy of the diet. This will be told to the hotels on your coach break. The hotels for certain coach breaks are tourist class and they may not have the equipment to deal with special diets. Any extra costs must be paid by yourself before leaving the hotel.

Accommodation(住宿)

On any coach break there are only a limited number of single rooms.When a single room is available,it may be subject to an extra charge and this will be shown on the brochure(小册子) page.

Entertainment

Some of our hotels arrange extra entertainment which could include music,dancing,films, etc. The nature and frequency (频率)of the entertainment presented is decided by the hotel and therefore not guaranteed and could be withdrawn (撤销)if there is a lack of demand or insufficient不足的 numbers in the hotel.

57. If you want to choose certain seats of the coach, you should         

A. take little luggage                  B. avoid traveling in holidays

C. book your seats web in advance       D. arrive early on the leaving date

58. What should you do if you need a special diet?

A. Bring your own food with you.     B. Tell the organizer while booking.

C. Inform the hotel when you arrive.   D. Pay extra money with the booking.

59. It may be necessary to pay extra for          .

A. single rooms       B. particular seats     C. entertainment   D. hand luggage

60. Where is the passage mostly taken from?

A. A fashion magazine.            B. A business report.

C. A legal document.              D. A travel brochure.

单项选择题