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【单选题】
自然科学属于生产力范畴,这是因为
A.
它是对自然界的现象及其发展规律的正确认识
B.
它能把生产力系统中的各要素组合成统一整体
C.
它渗透到生产力诸要素中并转化为现实生产力
D.
它是构成现代生产力系统的最重要的独立因素
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参考答案：
举一反三
【单选题】听力原文：W: Do you like to run? M: Yeah, when the Police are chasing me. W: You know Kerron Clement? M: Who? W: (9) Kerron Clement. He just broke the world record in the 400-meter. M: Right. W: Did you kn...
A.
To confirm that the student is capable of beating Clement.
B.
To show how sincere he is.
C.
To give an example of how to run fast.
D.
To make a joke about the student's comment.
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【单选题】听力原文：W: Do you like to run? M: Yeah, when the police are chasing me. W: You know Kerron Clement? M: Who? W: Kerron Clement. He just broke the world record in the 400 meter. M: Right. W: Did you know t...
A.
To confirm that the student is capable of beating Clement.
B.
To show how sincere he is.
C.
To give an example of how to run fast.
D.
To make a joke about the student's comment.
查看完整题目与答案
【单选题】听力原文：W: Hi, Rob, you know that class you missed yesterday? M: Yes, but I was seriously iii. W: I'm sorry to hear that. You (:an have my notes. M: Thanks. I appreciate that. W: So how are you feeling? ...
A.
The man's illness.
B.
The effect of antibiotics.
C.
The hobby of the woman's mother.
D.
Their class.
查看完整题目与答案
【单选题】红十字标志在（）年普鲁士与丹麦之间爆发的日勒苏益格战役中首次使用。
A.
1864
B.
1876
C.
1910
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【单选题】It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.                                                  (2013·安徽，34)
A.
may
B.
couldn’t
C.
should
D.
needn’t
查看完整题目与答案
【简答题】设函数y=f（x）在（a，b）上的导函数为f′（x），f′（x）在（a，b）上的导函数为f″（x），若在（a，b）上，f″（x）＜0恒成立，则称函数f（x）在（a，b）上为“凸函数”．已知 f(x)= 1 12 x 4 - 1 6 m x 3 - 3 2 x 2 ． （Ⅰ）若f（x）为区间（-1，3）上的“凸函数”，试确定实数m的值； （Ⅱ）若当实数m满足|m|≤2时，函数f（x）在（a，b）上总...
查看完整题目与答案
【单选题】设函数y=f（x）在（a，b）上的导函数为f′（x），f′（x）在（a，b）上的导函数为f″（x），若在a，b）上，f″（x）＜0恒成立，则称函数函数f（x）在（a，b）上为“凸函数”．已知当m≤2时， f(x)= 1 6 x 3 - 1 2 m x 2 +x 在（-1，2）上是“凸函数”．则f（x）在（-1，2）上（　　）
A.
既有极大值，也有极小值
B.
既有极大值，也有最小值
C.
有极大值，没有极小值
D.
没有极大值，也没有极小值
查看完整题目与答案
【简答题】--You know who came yesterday? --Yao Ming?. We had a basketball match. -- ________He came and watched the . A. You guessed it!  B. How did you know that? C. Well done!     D. That was good news!
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【单选题】听力原文：W: You know, Brian, it doesn't look like you're vacuumed the living room or cleaned the bathroom. M: No, I haven' t. Ugh. I had the worst day. I am so fired, kook, I promise I'll do it this weeke...
A.
A weekday afternoon.
B.
A weekday evening.
C.
A weekend afternoon.
D.
A weekend evening.
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【单选题】听力原文：W: Mac, what are you doing? M: Making the bed, Liz. W: You know what, Mac? Connie's going to get a face lift. M: Oh? W: She even said she'd get the rest done, too! M: The rest? W: Yeah ! Mac, if ...
A.
She is going to receive a plastic surgery.
B.
She is going to lift something on her face.
C.
She is going to make up for the sake of face.
D.
She is probably going to put on some makeup.
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Do you like to run? M: Yeah, when the Police are chasing me. W: You know Kerron Clement? M: Who? W: (9) Kerron Clement. He just broke the world record in the 400-meter. M: Right. W: Did you kn...
A.
To confirm that the student is capable of beating Clement.
B.
To show how sincere he is.
C.
To give an example of how to run fast.
D.
To make a joke about the student's comment.
查看完整题目与答案
【单选题】听力原文：W: Do you like to run? M: Yeah, when the police are chasing me. W: You know Kerron Clement? M: Who? W: Kerron Clement. He just broke the world record in the 400 meter. M: Right. W: Did you know t...
A.
To confirm that the student is capable of beating Clement.
B.
To show how sincere he is.
C.
To give an example of how to run fast.
D.
To make a joke about the student's comment.
查看完整题目与答案
【单选题】听力原文：W: Hi, Rob, you know that class you missed yesterday? M: Yes, but I was seriously iii. W: I'm sorry to hear that. You (:an have my notes. M: Thanks. I appreciate that. W: So how are you feeling? ...
A.
The man's illness.
B.
The effect of antibiotics.
C.
The hobby of the woman's mother.
D.
Their class.
查看完整题目与答案
【单选题】红十字标志在（）年普鲁士与丹麦之间爆发的日勒苏益格战役中首次使用。
A.
1864
B.
1876
C.
1910
查看完整题目与答案
【单选题】It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.                                                  (2013·安徽，34)
A.
may
B.
couldn’t
C.
should
D.
needn’t
查看完整题目与答案
【简答题】设函数y=f（x）在（a，b）上的导函数为f′（x），f′（x）在（a，b）上的导函数为f″（x），若在（a，b）上，f″（x）＜0恒成立，则称函数f（x）在（a，b）上为“凸函数”．已知 f(x)= 1 12 x 4 - 1 6 m x 3 - 3 2 x 2 ． （Ⅰ）若f（x）为区间（-1，3）上的“凸函数”，试确定实数m的值； （Ⅱ）若当实数m满足|m|≤2时，函数f（x）在（a，b）上总...
查看完整题目与答案
【单选题】设函数y=f（x）在（a，b）上的导函数为f′（x），f′（x）在（a，b）上的导函数为f″（x），若在a，b）上，f″（x）＜0恒成立，则称函数函数f（x）在（a，b）上为“凸函数”．已知当m≤2时， f(x)= 1 6 x 3 - 1 2 m x 2 +x 在（-1，2）上是“凸函数”．则f（x）在（-1，2）上（　　）
A.
既有极大值，也有极小值
B.
既有极大值，也有最小值
C.
有极大值，没有极小值
D.
没有极大值，也没有极小值
查看完整题目与答案
【简答题】--You know who came yesterday? --Yao Ming?. We had a basketball match. -- ________He came and watched the . A. You guessed it!  B. How did you know that? C. Well done!     D. That was good news!
查看完整题目与答案
【单选题】听力原文：W: You know, Brian, it doesn't look like you're vacuumed the living room or cleaned the bathroom. M: No, I haven' t. Ugh. I had the worst day. I am so fired, kook, I promise I'll do it this weeke...
A.
A weekday afternoon.
B.
A weekday evening.
C.
A weekend afternoon.
D.
A weekend evening.
查看完整题目与答案
【单选题】听力原文：W: Mac, what are you doing? M: Making the bed, Liz. W: You know what, Mac? Connie's going to get a face lift. M: Oh? W: She even said she'd get the rest done, too! M: The rest? W: Yeah ! Mac, if ...
A.
She is going to receive a plastic surgery.
B.
She is going to lift something on her face.
C.
She is going to make up for the sake of face.
D.
She is probably going to put on some makeup.
查看完整题目与答案
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