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【简答题】
阅读短文,根据短文内容判断正 (T) 误 (F)。 This is a special class. The students come from different countries (国家). Some come from America, others come from Canada, Japan, Australia and England. They speak different languages (语言). But all of them can speak English. They are good friends.They study together, play together and live together, and they help each other. All the teachers of this class are Chinese, but they can speak English. They teach their students in English. They are very kind and friendly. They work hard. The students in this class study Chinese cooking and Chinese Kung Fu (功夫). All the students like China. They say China is a great country and the Chinese people are friendly. And they are happy in China. (     )1. The students all come from England. (     )2. All of the students speak the same (相同) language. (     )3. The teachers of this class teach the students in English. (     )4. The students in this class only study cooking. (     )5. The Chinese people are friendly.
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参考答案:
举一反三
【简答题】密集构成的表现形式有点密集、线密集和( )。
【单选题】I intended ______ the matter with you, but I hadsome guests hen.
A.
discuss
B.
discussing
C.
having discussed
D.
to have discussed
【多选题】密集构成的表现形式( )
A.
点的密集
B.
线的密集
C.
面的密集
D.
自由密集
【单选题】I intened ______ the matter with you, but I had some guests hen
A.
discuss
B.
discussing
C.
having discussed
D.
to have discussed
【单选题】下列哪种氨基酸不是犬的必需氨基酸( )
A.
赖氨酸
B.
蛋氨酸
C.
牛磺酸
D.
精氨酸
【简答题】密集构成的表现形式分为 种。A. 5
【单选题】下列四项中说法正确的是_______
A.
关系模式和关系都是不随时间变化的
B.
R(A1 , A2 , … , An ),这种描述又被称为关系模式,其中Ai 是指属性所对应的域
C.
关系的任何属性都是不可再分的
D.
同一关系模式下关系是唯一的
【单选题】下列哪种不是犬的必需氨基酸? ()
A.
精氨酸
B.
组氨酸
C.
异亮氨酸
D.
氨基乙磺酸
【单选题】下列哪种不是犬的必需氨基酸? ( ) [单选题] *
A.
精氨酸
B.
组氨酸
C.
异亮氨酸
D.
氨基乙磺酸
【单选题】设i是虚数单位,则 i 1+i =(  )
A.
i+ 1 2 i
B.
i- 1 2 i
C.
1 2 + 1 2 i
D.
1 2 - 1 2 i
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