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【多选题】
电子商务物流的特点有( )A.
信息化
B.
网络化
C.
智能化
D.
柔性化
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】有关胚胎期造血器官的叙述中，正确的是
A.
卵黄囊壁上的血岛是最初的造血中心，它起源于外胚层细胞
B.
肝脏造血始于胚胎第9周，以造红细胞为主
C.
脾脏在第3个月时，开始产粒细胞，以后产生红细胞
D.
骨髓的造血干细胞部分来源于脾
E.
骨髓是产生红细胞、粒细胞、巨核细胞和单核细胞的场所，不产生淋巴细胞
【简答题】交流电的周期越长,说明交流电变化得越快。()
【单选题】听力原文：M: I thought that you were going to the convention in Atlanta last Saturday. You said it many times before. W: I was planning to, but I haven't been feeling well, so I stayed at home and did noth...
A.
In Atlanta.
B.
At a convention centre.
C.
In a hospital.
D.
At home.
【多选题】第五章19.公民的权利义务相一致,旅游者在享有权利的同时也应当履行义务。旅游者的义务主要包括()
A.
遵纪守法、文明旅游
B.
不得损害他人合法权益
C.
安全配合义务
D.
听从导游人员的一切安排
E.
不得擅自分团或脱团
【单选题】听力原文：Q: Didn't I meet you at the convention a couple of years back? (A) I'm looking forward to meeting you. (B) Yes, you were wearing glasses then. (C) Yes, it will be held at the Granprix Hotel. (5)
A.
B.
C.
【多选题】第五章19.公民的权利义务相一致,旅游者在享有权利的同时也应当履行义务。旅游者的义务主要包括()
A.
遵纪守法、文明理由
B.
不得损害他人合法权益
C.
安全配合义务
D.
听从导游人员的一切安排
E.
不得擅自分团或脱团
【单选题】听力原文：M: I thought that you were going to the convention in Atlanta last Saturday. You said it many times before. W: I was planning to, but I haven't been feeling well, so I stayed at home and did noth...
A.
She went to Atlanta.
B.
She went to a convention.
C.
She went to a hospital.
D.
She stayed at home.
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