It is very important for us students to learn to use dictionaries. Try to find the answers to the questions in this dictionary extract（摘要）.

小题1:We can find these explainations（解释）in _________ dictionary.

A. an English-English       B. a Chinese-English       C. an English-Chinese

小题2:If you try to find a word similar to “proud”, you can look up the word “______”.

A. pleasure                B. pride                  C.person       

小题3:If you have a bad cold, you will ______ according to the extract.

A. feel proud of yourself       B. lose your voice  C.encourage your parents

小题4:The word “encourage” is a (an)______.

A. adjective                   B. noun               C. verb

小题5:In the sentence “Your parents may △ you from smoking”, △ stands for _____ according to the extract.

A. proud    B. voice                C. discourage

植株的顶端出现停止生长现象，幼叶畸形、皱缩，花和果实小、畸形，这是缺（）的症状。

A、铁

B、镁

C、锌

D、硼