题干

函数 y=2sin(3xπ
6
)
的最小正周期为____
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答案(点此获取答案解析)

2
π
3

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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。

    It is important to introduce yourself in a creative, memorable way to distinguish yourself from the crowd. ____ Since being witty(言辞诙谐的) doesn't always come easily, try one of these creative introductions and separate yourself from the rest.

    Write your first or last name on a piece of paper.____ So if your name is Tom, you might say you are tireless, optimistic and mild.

    ____ Then say that you will do so in the words of your“best and worst critic”— your mother. By breaking the ice in this way, you can go on in either a humorous or serious fashion.

    Introduce yourself silently, by drawing a picture of yourself on a large sheet of paper.____  In fact, in some situations, it may be better if you don't. Put a title at the top of your drawing, if you like, such as “Hello! This is me.”

    Turn the traditional introduction upside down by describing yourself in exactly opposite terms of who you are. Have fun with this“back door approach”, and keep people guessing just how much you are exaggerating(夸张).____  Don't bother calling me tomorrow, because I will be hiding in a closet. Send text messages to my girlfriend while I drink a Bud Light on the job.

A. This introduction requires you to be gifted in art.

B. Freely admit that you don't like talking about yourself.

C. It doesn't matter whether you have artistic abilities or not.

D. For example: I am probaby the laziest person you will ever meet.

E. Use each letter as the first letter in an adjective that describes you.

F. Bring in the surprise factor— sometimes known as the shock factor.

G. After all, anybody can stand up and announce their name, business title and job responsibilities.

同类题2

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    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.____

    So what should you do about your weight control?

    ____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)____ 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.

    ____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.____ 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.