门式钢管脚手架基本构件有哪些?
参考答案:
基本构件有:门架、底座、剪刀撑、水平撑、三角挑架、栏杆、连墙杆等。
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
鼻粘膜具有颤动能力,每秒约为()
A.10次
B.4~5次
C.20次
D.50次
E.60次