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【单选题】
狭义的电子商务,是通过网络进行的网上交易,以及电子商情、电子合同等,指的是()。A.
B2B
B.
B2C
C.
EC
D.
EB
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举一反三
【单选题】The poor old man has to live alone, because ___ his two daughters wants to live with him.
A.
all of
B.
both of
C.
none of
D.
neither of
【简答题】旅客航站区主要由▁▁▁▁、▁▁▁▁及▁▁▁▁组成。
【简答题】Why does the old man come to the store every week and sample each of the puddings? Is it because he is poor, and so often goes _____1___food? Maybe. But ___2____ alone does not explain everything. ___...
【单选题】The old man has to _______ smoking because of his poor health.
A.
give up
B.
give away
C.
give out
D.
give in
【单选题】传统健康观的核心是“无病即健康”,这与现代健康观有所不同,以下选项符合传统健康观的特征是( )
A.
健康是多维的、复杂的
B.
以二元形式记录健康,忽略了从健康到疾病、死亡是连续变化的过程
C.
传统健康观涉及健康的多个方面
D.
健康与否是由医生判断以及病人自身心理健康评价来判断的
【简答题】根据中文意思完成句子。 1.那个穷人除了一件旧衣服什么也没有。 The poor man has _______ _______ an old piece of clothing. 2.昨天的会议九点才结束。 The meeting didn't _______ _______ _______ _______ until 9 o'clock yesterday. 3.我吃完晚饭后还得继续工作。 I...
【单选题】The old man, _______ poor, could not afford a decent meal.
A.
being
B.
is
C.
was
D.
has been
【多选题】关于药物剂量与效应的关系,以下说法正确的是()。
A.
药理效应与剂量在一定范围内成比例。
B.
随着剂量或浓度的增加，药物的效应增加，当达到最大效应后，若继续增加药物浓度或剂量，药物的效应不再增加。
C.
药理效应可以分为量反应和质反应两种情况
D.
LD50/ED50称为治疗指数，在任何情况下都可以用来评价药物的安全性
E.
衡量药物的安全性时，LD1/ED99或LD5/ED95较LD50/ED50更好
【简答题】An old man died and left his son a lot of money. But the son was a foolish young man,he quickly spent all the money, so that soon he had nothing left. Of course, when that happened, all his friends le...
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