单选题：A good gardener prunes a tree__________.

题目内容：
A good gardener prunes a tree__________. A．at intervals throughout the year
B．as quickly as possible
C．occasionally when necessary
D．regular every winter

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答案解析：

__________youunderstandthisrule,you'11havenofurtherdifficult

__________youunderstandthisrule,you'11havenofurtherdifficulty． A．Once B．Unless C

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设窗体上有一个Commandl命令按钮，还有以下程序代码：程序运行后，3次单击命令按钮，则产生的输出是

设窗体上有一个Commandl命令按钮，还有以下程序代码：程序运行后，3次单击命令按钮，则产生的输出是A．123 B．135 C．137 D．246

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__________ may be defined as any kind of engaging with the

__________ may be defined as any kind of engaging with the language on the part

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I______my English book in the reading-room． Please go and ge

I______my English book in the reading-room． Please go and get it for me． A．forg

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Questions 11 ～ 13 are based on the following interview betwe

Questions 11 ～ 13 are based on the following interview between a reporter and a

分类：学科知识与教学能力  题型：单选题
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