下述各图给出的4 个并发调度中,哪个不是冲突可串行的?
A.
B.
C.
D.
参考答案:B
句型转换。
1. It will be cloudy tomorrow. (就划线部分提问)
_______ the weather _______ tomorrow?
2. Which season is your favorite? (改为同义句)
Which season _______ you like _______?
3. He likes winter. (改为一般疑问句)
_______ he _______ winter?
4. He speaks Japanese, ________ ________? ( 反意疑问句)
5. It's a good season for climbing mountains in fall. (改为同义句)
It's a good season ________ ________ mountains in fall.
有关土质路基碾压的描述,正确的有()。
A.最大碾压速度不宜超过6km/h
B.在小半径曲线段由外侧向内侧碾压
C.三轮压路机一般重叠后轮宽的1/2
D.前后相邻两区段宜纵向重叠1.0~1.5m
E.应确保碾压均匀