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【多选题】
地下水的物理性质包括( )A.
温度
B.
嗅味
C.
导电性
D.
粘滞力
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反馈参考答案：
举一反三
【单选题】Which stagegy does the speaker use?
A.
He refers to what the previous speaker said.
B.
He listens for the main ideas of the conversation.
C.
He invites others to participate in the discussion.
【单选题】Which stagegy does the speaker use?
A.
He invites others to participate in the discussion.
B.
He refers to what the previous speaker said.
C.
He listens for the main ideas of the conversation.
【单选题】关于鱼类寄生性纤毛虫的主要特征，下列描述不正确的是（）
A.
成体或幼体具纤毛运动器，多数种类终生全身被有纤毛，有的只在生活某一阶段存在纤毛
B.
虫体由囊膜、胞质和胞核组成
C.
纤毛在电镜下的亚微结构与鞭毛不同，较短，数目多，运动节奏性强
D.
生活史有营养期和胞囊期，靠胞囊或直接接触传播
【简答题】将下列指数式改写成对数式: (1) ; (2) ; (3) ; (4) 。
【单选题】Which of the following is NOT a reason for the speaker to use language clearly?
A.
A speaker’s meaning must be immediately comprehensible because listeners cannot turn to a dictionary to discover their meaning.
B.
A speaker’s meaning must be immediately comprehensible because listeners are far from the speaker.
C.
A speaker’s meaning must be immediately comprehensible because listeners cannot reread an author’s words to discover their meaning.
D.
none of the above
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