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【单选题】
下列说法正确的是（　　） ①从匀速传递的产品生产流水线上，质检员每10分钟从某处抽取一件产品进行某项指标检测，这样的抽样是分层抽样 ②某地气象局预报：5月9日本地降水概率为90%，结果这天没下雨，这表明天气预报并不科学 ③吸烟与健康具有相关关系 ④在回归直线方程 y =0.1x+10中，当解释变量 x 每增加一个单位时，预报变量 y 增加0.1个单位．
A.
①②
B.
③④
C.
①③
D.
②④
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参考答案：
举一反三
【单选题】Can you tell me_____yesterday?
A.
Why you didn ’ t come
B.
Why did you not come
C.
Why didn ’ t you come
D.
Why you don ’ t come
查看完整题目与答案
【单选题】I don't know the man came to our party last night. Can you tell me he is? [     ]
A.
whom; who
B.
who; that
C.
/; who
D.
who; who
查看完整题目与答案
【简答题】A: E【11】me? Can you tell me the way【12】the cinema. please? B: Yes. Go a【13】fids mad. And t【14】left at the second crossing. Go across the b【15】. You can find the cinema o【16】your right. You can't m【17】...
查看完整题目与答案
【单选题】Can you tell me what time ?
A.
is the train leave
B.
does the train leave
C.
the train leaves
D.
leaves the train
查看完整题目与答案
【判断题】设A，B，C为三随机事件，则有P(AB∪AC∪BC)=P(AB)+P(AC)+P(BC)-2P(ABC)。
A.
正确
B.
错误
查看完整题目与答案
【单选题】我国最早的女诗人是?
A.
许穆夫人
B.
杜秋娘
C.
李清照
D.
苏小妹
查看完整题目与答案
【单选题】初步设计应编制的概预算文件是( )。
A.
设计概算
B.
修正概算
C.
施工图预算
D.
施工预算
查看完整题目与答案
【单选题】听力原文：W: My hand still hurts from the fall on the ice yesterday. I wonder if I broke something. M: I'm no doctor, but it's not black and blue or anything. Maybe you just need to rest it for a few days....
A.
She is black and blue all over.
B.
She has to go to see a doctor.
C.
She stayed away from work for a few days.
D.
She got hurt in an accident yesterday.
查看完整题目与答案
【单选题】听力原文：W: Please turn down the television. I can't hear anything my friend is saying on the phone. M: Hurry up and finish your call. I don't like standing so close.. The light hurts my eyes. Q: Why is t...
A.
Because she can't watch TV.
B.
Because her ears were hurt.
C.
Because she can't hear the words on the telephone.
D.
Because her eyes were hurt.
查看完整题目与答案
【单选题】______ 符号所表示的是 FX 系列基本单元晶体管输出。
A.
FX2N-60MR
B.
FX2N-48MT
C.
FX-16EYT-TB
D.
FX-48ET
查看完整题目与答案
相关题目：
【单选题】Can you tell me_____yesterday?
A.
Why you didn ’ t come
B.
Why did you not come
C.
Why didn ’ t you come
D.
Why you don ’ t come
查看完整题目与答案
【单选题】I don't know the man came to our party last night. Can you tell me he is? [     ]
A.
whom; who
B.
who; that
C.
/; who
D.
who; who
查看完整题目与答案
【简答题】A: E【11】me? Can you tell me the way【12】the cinema. please? B: Yes. Go a【13】fids mad. And t【14】left at the second crossing. Go across the b【15】. You can find the cinema o【16】your right. You can't m【17】...
查看完整题目与答案
【单选题】Can you tell me what time ?
A.
is the train leave
B.
does the train leave
C.
the train leaves
D.
leaves the train
查看完整题目与答案
【判断题】设A，B，C为三随机事件，则有P(AB∪AC∪BC)=P(AB)+P(AC)+P(BC)-2P(ABC)。
A.
正确
B.
错误
查看完整题目与答案
【单选题】我国最早的女诗人是?
A.
许穆夫人
B.
杜秋娘
C.
李清照
D.
苏小妹
查看完整题目与答案
【单选题】初步设计应编制的概预算文件是( )。
A.
设计概算
B.
修正概算
C.
施工图预算
D.
施工预算
查看完整题目与答案
【单选题】听力原文：W: My hand still hurts from the fall on the ice yesterday. I wonder if I broke something. M: I'm no doctor, but it's not black and blue or anything. Maybe you just need to rest it for a few days....
A.
She is black and blue all over.
B.
She has to go to see a doctor.
C.
She stayed away from work for a few days.
D.
She got hurt in an accident yesterday.
查看完整题目与答案
【单选题】听力原文：W: Please turn down the television. I can't hear anything my friend is saying on the phone. M: Hurry up and finish your call. I don't like standing so close.. The light hurts my eyes. Q: Why is t...
A.
Because she can't watch TV.
B.
Because her ears were hurt.
C.
Because she can't hear the words on the telephone.
D.
Because her eyes were hurt.
查看完整题目与答案
【单选题】______ 符号所表示的是 FX 系列基本单元晶体管输出。
A.
FX2N-60MR
B.
FX2N-48MT
C.
FX-16EYT-TB
D.
FX-48ET
查看完整题目与答案
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