塔机的工作环境温度是()。A、-20-40°C B、-10-40°C C、-20-5

题型:单项选择题

问题:

塔机的工作环境温度是()。

A、-20-40°C

B、-10-40°C

C、-20-50°C

D、0-40°C

考点:起重机操作证考试塔式起重机司机塔式起重机司机题库
题型:单项选择题

短文填空 先通读下面的短文,然后根据短文内容和所给首字母,在空格内填入一个适当的单词,使短文意思完整。所填单词必须在标有题号的横线上完整写出。(本大题共10空,每空0.5分,共5分)

At the age of 13, Miles Schuman, from Maine(缅因州), US, is already a good host of an Internet-radio program.

Schuman s  小题1:   the program three years ago. He found a website c  小题2:    Blog Talk Radio. Users can make their o  小题3:   radio shows on the website.

Schuman signed up. He loves rock music. So he bought a microphone and started broadcasting talks about rock music from his home. Later, he even i 小题4:   some famous rock stars. At first, he just asked a l  小题5:  of usual questions. But t  小题6:  practice, he can now ask deep questions. The half-hour program is p 小题7:  . When a new show is b    小题8:    every Sunday, 3,000 to 5,000 people get to listen .

Schuman told the newspaper The Working Waterfront that he would k  小题9:   doing this show, because he loves music and h  小题10: the radio show.

题型:单项选择题

You forgot to go to the meeting? You _____ important things. It’s so_______.

A.had always forgotten; disappointing

B.are always forgetting, disappointing

C.always forget; disappointed

D.were always forgetting; disappointed

题型:单项选择题

下列关于生物进化趋势的表述中,哪项是不合理的(  )

A.水生→陆生

B.体型小的生物→体型大的生物

C.简单→复杂

D.低等→高等

题型:单项选择题

室外埋地敷设的电缆导管,埋深不应小于0.7米。壁厚小于等于2mm的钢导管不应埋设于室外土壤内。()

题型:单项选择题

“文摊作家”

更多题库