中、低压泵消防车,泵的中压额定压力小于()MPa。
A.1.6
B.2.0
C.2.5
D.3.0
参考答案:D
单词拼写(共10小题,每小题0.5分,满分5分)
76. Diana is a _________ (体贴的) boss who is always willing to listen.
77. The great flood ________ (淹没) many houses.
78. He was ________ (选举) chairman of the meeting.
79. She ________ (值得) a reward for her efforts.
80. She was still________ (烦恼) about the argument she had had with Mary.
81. At night they crossed the river and took p_______ of the village.
82. He was a_______ as chairman of the committee.
83. He is old but he is as i_______ as a baby.
84. Do you have much f_______ fishing by the river?
85. The speech l_______ an hour and as a result, I felt bored and tired.
The classroom is very dirty because they always ___ something.[ ]
A. throw about
B. talk about
C. throw with
D. talk with