对于没有任何滋味的烹调原料如鱼翅、燕窝等，更需要好汤的调理，以助其味。

It is the first time that I ______ this kind of moon cake.

A．enjoyed

B．have enjoyed

C．had enjoyed

D．enjoy

一般而言，席次的安排必须注意哪些原则？

        根据短文内容,从短文后的七个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.

     Weight loss is a hard topic. Lots of people aren't satisfied with their present weight, but most people

aren't sure how to change it. You may want to look like the models or actors in magazines or on TV, but

those goals might not be healthy or realistic for you.   1   

     So what should you do about your weight control?

        2   The best way to find out if you are at a healthy weight or if you need to lose or gain weight is to

talk to a doctor or dietitian(营养学家).    3    If it turns out that you can benefit from weight loss then you can follow a few of the simple suggestions listed below to get started.

       4   People who lose weight quickly by crash(速成的) dieting or other extreme measures usually

gain back all of the pounds they lost, because they haven't permanently changed their habits. Therefore,

the best weight management ways are those that you can maintain for a lifetime.

Small changes are a lot easier to stick with than large ones. Try reducing the size of what you eat. _ 5__

Once you have that down, start gradually introducing healthier foods and exercise into your life.

     It's a good idea to maintain a healthy weight because it's just that: healthy.

A. Try giving up regular soda for a week

B. Try to pay attention as you eat and stop when you're full.

C. Weight management is about long-term success.

D. Besides, no magical diet will make you look like someone else.

E. Being healthy is really about being at a weight that is right for you.

F. Changing from whole to nonfat or low-fat milk is also a good idea.

G. They will compare your weight with healthy standards and help you set goals.

机房工程实施过程中，监理人员有时将不合格的建设工程误认为是合格的，__( )__往往是其主要原因。

A．有大量的隐蔽工程

B．施工中未及时进行质量检查

C．工程质量的评价方法具有特殊性

D．工程质量具有较大的波动性

螺纹的要素包括（）、螺纹公差带和旋向和旋合长度。

A.牙型

B.公称直径

C.螺距或导程

D.头数