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【单选题】
当截平面与圆锥轴线垂直时,截交线的形状是( )A.
圆
B.
椭圆
C.
双曲线
D.
抛物线
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皮皮学刷刷变学霸
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【简答题】看图，判断对(√)错(×)。 ( ) 1. That is cold! ( ) 2. Ouch! That's hot! ( ) 3. This is my body. ( ) 4. This is warm.
【简答题】常见的储位编码方法有三种,分别为区段方式、品项群别方式、地址式方式。( )
【单选题】unit5
A.
She was just telling a joke about quitting her job.
B.
She wasn't satisfied with her salary.
C.
She was fed up with counting money at her job.
D.
She was to quit her job and look for an accounting job.
【单选题】unit5
A.
She should talk about the promotion with her boss.
B.
She should keep shut until a better job is available.
C.
She should quit her job to get a better one.
D.
She should urge her boss to keep the promise.
【简答题】“实”的病机是（ ）
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