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【单选题】
客人超过预订时间抵店,而房间已经出租时,下列做法欠妥的是( )。A.
向客人加收半天房费
B.
向客人说明房间已出租的原因
C.
礼貌地向客人提出能否联系去其他饭店
D.
提供建议换房
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举一反三
【单选题】在反相键合相色谱法中固定相与流动相的极性关系是
A.
固定相极性大于流动相极性
B.
固定相极性小于流动相极性
C.
固定相极性等于流动相极性
D.
不一定，视组分性质而定
【单选题】在反相键合色谱法中固定相与流动相的极性关系是( )
A.
固定相的极性>流动相的极性
B.
固定相的极性
C.
固定相的极性=流动相的极性
D.
不一定,视组分性质而定的
【单选题】What is the main idea of the passage?
A.
Parental divorce has a negative effect on children all through their life
B.
The impact of parental divorce on children varies in personality, age and gender.
C.
Boys may become more aggressive than girls in disrupted families.
D.
Kids of different ages behave differently on parental divorce.
【简答题】They have no intention of turning their swords into ______________________.
【单选题】Alen and Marian passed the beast ___________, keeping as far as possible, with their swords ready in hand.
A.
casually
B.
creatively
C.
crucially
D.
cautiously
【单选题】What is the main conclusion of the Robinson and Harriss study?
A.
Parental involvement works better with low-achievers.
B.
Schools should communicate with parents regularly.
C.
The kids of more-involved parents improve over time.
D.
Parental involvement may not necessarily benefit children.
【单选题】在反相键合色谱法中固定相与流动相的极性关系
A.
固定相的极性大于流动相的极性
B.
固定相的极性小于流动相的极性
C.
固定相的极性等于流动相的极性
D.
不一定，视组分性质而定的
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