It’s ______ （） in winter in Harbin now.

A.mockery

B. laugh

C. smile

D. sneer

A．Gathering non-relevant materials.

B．Stealing another person's ideas.

C．Sharing note with someone else.

D．Handing in assignments late.

A.nearly

B.hardly

C.merely

D.barely

______ is the most common cause of ice formation．

A.The freezing of raindrops on contact with the vessel's structure

B.Drastic fall in ambient temperature

C.The deposit of water droplets on the vessel's structure

D.Snowfall

____ encourages students to write as much as possible and as quickly as possible - without worrying about making mistakes. The important thing is to get one's ideas down on paper.

A. The Purpose-focused Approach

B. The Accuracy-focused Approach

C. The Fluency-focused Approach

D. The Text-focused Approach

A.S是冲突可串行化调度，是可串行化调度，是正确的并行调度；

B.S不是冲突可串行化调度，但却是可串行化调度，是正确的并行调度；

C.S不是冲突可串行化调度，不是可串行化调度，但却是正确的并行调度；

D.S不是冲突可串行化调度，不是可串行化调度，不是正确的并行调度；

A.S是冲突可串行化调度，是可串行化调度，是正确的并行调度；

B.S不是冲突可串行化调度，但却是可串行化调度，是正确的并行调度；

C.S不是冲突可串行化调度，不是可串行化调度，但却是正确的并行调度；

D.S不是冲突可串行化调度，不是可串行化调度，不是正确的并行调度；