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【单选题】
某生产车间进行吊装作业，为防止吊装物料失衡滑落，班长要求工人站在吊装的物料上。依据《安全生产法》，工人正确的做法是( )。A.
执行班长的工作指令
B.
系上安全带进行作业
C.
拒绝班长的工作指令
D.
穿上防滑鞋进行作业
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反馈参考答案：
举一反三
【单选题】听力原文：M: Good morning, this is John Parker speaking. I'm just ringing to confirm my appointment with Mr. Smith for this afternoon. W: Yes, Mr. Smith's expecting you at 3 o'clock. Q: Why is the man maki...
A.
He wants to make an appointment with Mr. Smith.
B.
He wants to make sure that Mr. Smith will see him.
C.
He wants to change tire time of the appointment.
D.
He wants the woman to meet him at three o'clock.
【单选题】听力原文：M: Good morning. This is John Parker speaking. I'm just ringing to confirm my appointment with Mr. Smith this afternoon. W: Yes. Mr. Smith's expecting you at three o'clock. Q: Why is the man maki...
A.
He wants to make an appointment with Mr. Smith.
B.
He wants to make sure that Mr. Smith will see him.
C.
He wants to change the time of the appointment.
D.
He wants the woman to meet him at three o'clock.
【单选题】听力原文：W: Hello. This is Dr. Gray's office. We're calling to remind you of your 4:15 appointment for your annual check-up tomorrow. M: Oh, thanks. It's a good thing you called. I thought it was 4:15 tod...
A.
The man was confused about the date of the appointment.
B.
The man wants to change the date of the appointment.
C.
The man is glad he's got in touch with the doctor.
D.
The man can't come for the appointment at 4: 1
【多选题】DW检验不能用于下列哪些现象的检验
A.
递增型异方差的检验
B.
u t ＝ ρ u t－1 + ρ 2 u t－2 +v t 形式的序列相关检验
C.
x i =b 0 +b 1 x j +u t 形式的多重共线性检验
D.
E.
遗漏重要解释变量导致的设定误差检验
【单选题】听力原文：M: Good morning. This is John Parker speaking. I'm just ringing to confirm my appointment with Mr. Smith for this afternoon. W: Yes. Mr. Smith is expecting you at 3 o'clock. Why is the man making...
A.
He wants to make an appointment with Mr. Smith.
B.
He wants to make sure that Mr. Smith will see him.
C.
He wants to change the time of the appointment.
D.
He wants the woman to meet him at three o'clock.
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