热带风暴（TS）中心附近最大风速为（） A.＜34节 B.34～47节 C.48～6

用所给动词的适当形式填空，必要时可加助动词或情态动词。

     As school kids, we have many dreams. These dreams can be very big, such as winning the Nobel Prize,

or they   1 (be) very small, you may just want to become one of the ten best students in your class.

     Once you   2  (have) a dream, what do you do with it?      you ever  3  (try) to make your dream  4  

(come) true? In fact, achieving our dreams  5 (be) the biggest challenge in our life.

     You may think you're not very good at some subjects, or that it  6  (be) impossible for you to become

a writer. These kinds of thoughts stop you from achieving your dream.

     In fact, everyone can realize their dreams. The first thing you must do is  7  (remember) what your

dream is. Keep telling yourself what you want, and you  8 (realize) your dream faster.   9  (do) this step

by step. A dream  10 (not realize) in one day. Many small dreams make up a big dream.

     You  11  (meet) difficulties on the way to realize it. But the most difficulty  12  (come) from you.

You need to decide what is the most important. Studying instead of watching TV  13  (lead) to better exam

results. And you can pay 5 yuan for a new book instead of an ice cream. Never stop  14  (dream). Never

forget your dreams. And never  15   (give up) your dreams.

下列各组物质中，不属于同分异构体关系的是[ ]

A．

B．

C．CH₃COOCH₂CH₃与CH₃CH₂COOH

D．

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和女朋友分手后，他的情况很糟糕，情绪也很不稳定，经常没有原因地发脾气，弄得我们这些朋友都不知道怎么安慰他才好。
根据这段话，可以知道他：

A．脾气好
B．失恋了
C．很实在
D．不需要安慰