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【单选题】
属梭形的()。
A.
鳝鱼
B.
草鱼
C.
鲥鱼
D.
鲫鱼
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【简答题】Talia: I can't believe that you didn't (1) ______ after what Dean did to you.Nick: I never get angry or upset. Dean is not a bad person. He was just jealous of my soccer career.Talia: Well, I do think...
【简答题】听下面一段材料,回答第1至4题。 1. What did Nick do last Sunday? [     ] A. Had a travel. B. Went to see his grandmother. C. Cleaned the windows with his father. 2. What did his father tell him not to do in the trai...
【简答题】II. Complete the dialogue according to the Chinese language. Betty: The midterm is over. How do you feel? Nick: (1.老实说), I am a bit disappointed. Betty: Why? What did you get on English? Nick: (2.我只得了...
【多选题】植物种间竞争的剧烈程度与物种的下列特性有关()。
A.
生活型
B.
生态幅度
C.
生态位
D.
生态寿命
【单选题】下列叙述正确的是( )
A.
方差越大,说明数据就越稳定
B.
在不等式两边同乘或同除以一个不为0的数时,不等号的方向不变
C.
不在同一直线上的三点确定一个圆
D.
两边及其一边的对角对应相等的两个三角形全等
【单选题】碳( 6 C)原子的基态电子层构型为 ,违背了(    )。
A.
最低能量原理    
B.
Pauli不相容原理
C.
Hund规则    
D.
能量相近原理
【简答题】听下面一段材料,回答第1-3题。 1. What can we learn from the conversation? A. The woman missed the party last night B. The woman got back together with Nick C. Jack is the woman's best friend 2. What did Nick hit? ...
【简答题】What did Nick do last Sunday?A. Had a travel.B. Went to see his grandmother. C. Cleaned the windo1. What did Nick do last Sunday? A. Had a travel. B. Went to see his grandmother. C. Cleaned the window...
【多选题】植物种间竞争的剧烈程度与物种的下列特性有关( )。
A.
生态习性
B.
生活型
C.
生态幅度
D.
生态位
E.
生态寿命
【单选题】低、中速切削时,( )是硬质合金刀具的主要磨损原因。
A.
扩散磨损
B.
粘结磨损
C.
相变磨损
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