Her mother usually leavesthe keys at home．题目和参考答案——青夏教育精英家教网——

题目内容

5．Her mother usually leavesthe keys at home．

分析她妈妈通常把钥匙忘在家里．

解答答案：leaves；根据句中信息Her mother usually l…the keys at home，结合首字母，推测该句句意：leave sth at home：她妈妈通常把钥匙忘在家里；leave sth at home把某物忘在家里；根据句中的usually 可知该句为一般现在时态；主语为单数，故填leaves．

点评根据首字母，结合句中信息推测该句句意，进而作出正确解答．

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根据短文内容，选择最佳答案．（5分）
46．What can a dolphin use to make an eel come out of its hole？C
A．Its mouth．
B．Its head．
C．A dead fish．
D．A little dog．
47．How do dolphins exchange information with each other？D
A．By using tails．
B．By using tools．
C．By using words．
D．By using sounds．
48．Where did the dolphins throw the dog when playing？B
A．Onto its back．
B．Into the air．
C．Onto the beach．
D．Into the water．
49．Why do the dolphins jump out of the water when they hear a whistle noise？A
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B．Because they enjoy playing on the water．
C．Because they want to play with other dolphins．
D．Because the dolphin keepers want them to come out．
50．Which of the following is TRUE according to the passage？B
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B．Dolphins are a kind of clever animals．
C．Scientists have known dolphins well enough．
D．Dolphins seem to make their games relaxing．

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