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【单选题】
主键的基本类型不包括A.
单字段主键
B.
多字段主键
C.
索引主键
D.
自动编号主键
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举一反三
【单选题】At the beginning, how did Digory feel about the Queen?
A.
She was weak but brave.
B.
She was strong and brave.
C.
She was weak and timid.
【简答题】2010年上海世博会的主题是“城市，让生活更美好”，世博会充分体现了“绿色、低碳、节能、减排”的现代理念． （1）世博会期间有千辆清洁能源汽车投入运行，氢燃料电池车可实现“零排放”．氢燃料电池总反应的化学反应的化学方程式是：2H 2 +O 2 =2H 2 O，它将______能转化为电能． （2）世博会主题馆大量使用太阳能光伏发电最关键的材料是高纯硅，其制取过程中可由氯化硅（SiCl 4 ）和氢气...
【多选题】境外旅游者要求购买古玩,导游人员应该( )。
A.
带领他们到文物商店购买
B.
带领他们到路边摊上选购
C.
带领他们到旧货市场购买
D.
提醒他们保管好发票
E.
提醒他们不要将货物上火漆印弄掉
【单选题】How did Digory open the gates?
A.
HE opened the gates by a key.
B.
He put his hand on the gates.
C.
He destroyed the gates.
【多选题】境外旅游者要求购买古玩,导游人员应该 ( ) 。
A.
带领他们到文物商店购买
B.
带领他们到路边地摊上选购
C.
带领他们到旧货市场购买
D.
提醒他们保管好发票
E.
提醒他们不要将货物上火漆印弄掉
【单选题】How did Digory know which the right tree was?
A.
Because the right tree stood in the center.
B.
Because the right tree was loaded with silver apples.
C.
Both A and B are right.
【单选题】How did Polly and Digory feel when they stood in the courtyard?
A.
They felt so happy.
B.
They felt so afraid.
C.
They felt so angry.
【单选题】How did Polly and Digory deal with the guinea-pig they found?
A.
They took it home
B.
They left it there.
C.
They killed it.
【单选题】How was Digory's mother after she ate the apple?
A.
She soon died.
B.
She gradually recovered.
C.
She became weaker.
【单选题】What suprised Digory most when Digory looked up at Lion's face?
A.
The Lion smiled.
B.
The Lion cried.
C.
The Lion frowned.
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