新敷设的带中间接头的电缆线路、在投人运行()个月后。应进行预防性试验。
A.1
B.3
C.6
D.12
参考答案:B
根据所给图画,在短文空格内填写适当的单词,使短文通顺、完整。
There is a little girl standing in 1 of the window. There are some 2 outside the house.
There is a 3 beside her. There are some bananas 4 the 5 and a birthday cake on the table.
On the cake there are some 6 . The girl has a box in her 7 . She is looking 8 it 8 a big smile.
What is in the 10 ? Do you know?
清代画家郑燮在《竹石》中写道:“千磨万击还坚劲,任尔东西南北风”,这句诗体现的哲学道理是()。
A.要充分发挥主观能动性战胜困难和挫折
B.任何事物的发展都是前进性和曲折性的统一
C.内因是事物发展的根据
D.外因是事物变化发展的条件