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【单选题】
个体身心发展有两个高速发展期：新生儿与青春期。这是个体身心发展（ ）规律的反映。A.
顺序性
B.
不平衡性
C.
阶段性
D.
个别差异性
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【简答题】设 C 为正向圆周 ,则 =
【简答题】（6分）碳及其化合物在生活中应用广泛。 ①将小块金刚石镶在玻璃刀头上用来裁玻璃； ②将石墨用于制作电极； ③一氧化碳用作气体燃料； ④干冰用于人工降雨； ⑤一氧化碳可用于炼铁。 （1）上述用途中，主要利用了物质的物理性质的有 。（填序号） （2）除④以外，写出二氧化碳的一条用途 。 （3）干冰的物质类型不属于 。（填序号） A．混合物 B．纯净物 C．化合物 D．氧...
【简答题】For example, one evening when it was so warm, I stayed awake __________ __________ until half pas1. For example, one evening when it was so warm, I stayed awake __________ __________ until half past e...
【单选题】Section B Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and que...
A.
Strangers.
B.
Colleagues.
C.
Interviewer and interviewees.
D.
Classmates.
【单选题】Section B Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and que...
A.
Strangers.
B.
Colleagues.
C.
Interviewer and interviewees.
D.
Classmates.
【单选题】以下关于半污染区的隔离要求正确的是
A.
病人不得进入半污染区
B.
医护人员只有脱去隔离衣方能进入半污染区
C.
病人的物品不得放入半污染区
D.
病人通过走廊时不得接触墙面
E.
病人舆洗间属于半污染区
【单选题】Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and the...
A.
The man's teacher
B.
The man's English score.
C.
The man's job.
D.
The man's study.
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