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【单选题】
Why do some shoppers use social media on Nobember 11th?A.
To post pictures of the food they have eaten.
B.
To show pictures of what they have bought.
C.
To send messages of thanks to shops.
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举一反三
【单选题】听力原文：W: When do you need the proofreading done? M: The sooner, the better. What does the man mean?
A.
The proofreading was better this time.
B.
It will be an interesting job.
C.
There will be more proofreading to do soon.
D.
The job should be done as quickly as possible.
【单选题】听力原文：W: What do you think of the test? M: I couldn't feel better about it! The questions were very easy, and I finished all of them. Q: What does the man think about the test? (4)
A.
He felt better.
B.
He barely finished it.
C.
It was easy.
D.
It was difficult.
【简答题】__________we can’t get seems better than__________we have. A．What；what B．What；that C．That；that D．That；what
【单选题】听力原文：W: What do you think of his new novel? M: It couldn't be better. Q: What does the man think of the novel? (10)
A.
It is not very good.
B.
It's excellent.
C.
It's not as good as his other novels.
D.
There is room for improvement.
【单选题】女性，30岁。反复口腔溃疡5年，外阴部溃疡、双下肢结节红斑半个月。查体：双下肢胫前可见大小不等散在分布结节红斑，唇、颊黏膜多处破溃、结痂、于裂，张口困难，舌边溃疡，不能吞咽食物，仅能进食半流质食，且阴部溃疡成片，疼痛不堪。实验室检查：血常规白细胞总分数略高，血沉35mm/h，CRP29.4mg/L，抗核抗体均阴性，血清补体及免疫球蛋白均正常。该患者经糖皮质激素及免疫抑制剂治疗后，症状好转，但逐渐出...
A.
再生障碍性贫血
B.
白血病
C.
骨髓增生异常综合征
D.
缺铁性贫血
E.
溶血性贫血
F.
多发性骨髓瘤
【单选题】患者，女，30岁，头昏乏力，贫血貌，脾大肋下2cm中等硬度。实验室检查：HGB70g/L，正细胞正色素，RC增高，直接抗人球蛋白试验阳性，4个月内无输血及特殊药物史，尿胆原强阳性，大便颜色加深，该患者应考虑（）
A.
ABO溶血病
B.
药物诱发性溶血性贫血
C.
温抗体性自身免疫性溶血性贫血
D.
蚕豆病
E.
冷抗体性自身免疫性溶血性贫血
【单选题】由R、L、C作任意连接所组成二端网络,在正弦激励下,若该网络的无功功率为零,则意味着( )。
A.
所有元件的无功功率都一定为零
B.
所有元件的瞬时储能始终为零为零
C.
电感元件吸收的无功功率等于电容元件发出的无功功率
D.
总电压超前总电流的角度为90°
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