国开网100万⁺专项题库

在一定长度范围内，路线在纵向所克服的高差与水平距离之比指的是（ ）

• 最大纵坡

• 最小纵坡

• 平均纵坡

• 合成坡度

函数的定义域为（ ）.

设函数，则（　）.

设，则（　）.

设，则（　）.

• 

• 

• -2

• -1

— What advice would you give to a friend who wants cosmetic surgery?

—

• I would advise them not to have that surgery, because they are very well.

• I would tell them that there are many risks and much cost of that surgery.

• I have nothing to give to my friends.

— I'm leaving for Shanghai tomorrow.

—

• Bring me a present.

• Have a pleasant trip!

• Let's go out for a drink.

—This apple pie is too sweet, don't you think so?

— I think it's just right, actually.

• Not really.

• I hope so.

• Sounds good.

—Good morning, Jeff. Would you mind going to get me a cup of coffee at the Starbucks?

—

• Thank you for reminding me.

• No problem! You want the usual?

• You must be joking.

It is hard for any woman to resist ____ herself more beauty.（考点：动词resist的用法）

• make

• made

• making