皮皮学,免费搜题
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【简答题】
Online shopping is rapidly becoming the first choice of many people around the world. It is being accepted as a new and fashionable way of shopping. Here are a number of reasons why online shopping has become more popular than shopping in (1)_______stores. When shopping online, you simply turn on the computer,(2)________to the Internet, and start shopping. It is easy and (3)______. Shopping malls are well known for the crowds. It can be frustrating trying to find the items you want. While with online shopping, you can relax and enjoy the(4)_________. If you don't have a car to go to the city center, you don't have to worry as your packages will be (5)________ right to your door. Shopping at a traditional mall may take an entire day. But you can shop on the Internet anytime. This is a good way to (6)________ time and effort as well as money. Many (7)________ always provide you with goods at a cheaper price than you get in a physical store. With improvements in secure (8)___________ processing, more and more consumers will get benefits from this great way of shopping in the future.
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皮皮学刷刷变学霸
举一反三
【单选题】皮肤干燥,毛囊角化可能是由于缺乏下列哪种营养素引起的?()
A.
维生素A
B.
维生素C
C.
D.
【多选题】离心泵的操作包括
A.
调节
B.
充液
C.
启动
D.
运转
【多选题】离心式氨泵的停泵操作包括()。
A.
关闭循环桶的供液膨胀阀和氨泵的进液阀
B.
切断泵的电源
C.
关闭出液阀,开启抽气阀,待氨泵压力降低后再关闭抽气阀
D.
填写停泵记录
【单选题】启动离心泵的操作不包括()。
A.
盘泵
B.
放尽泵内液体
C.
排放泵内气体
D.
打开循环水
【单选题】大肠梗阻的主要临床特点应除外:
A.
闭襻性梗阻
B.
无腹痛
C.
呕吐不显著
D.
腹胀明显
E.
停止排便排气
【单选题】离心泵的操作包括()。
A.
启动、运行
B.
倒泵、停泵
C.
A和B都是
D.
都不对
【多选题】离心泵的操作包括
A.
运转
B.
充液
C.
调节
D.
启动
【简答题】离心泵的操作主要包括()、()、倒泵与停泵等项内容。
【单选题】下列哪种维生素缺乏可引起皮肤干燥:( )
A.
维生素A
B.
维生素B
C.
维生素C
D.
维生素E
E.
烟酰胺
【单选题】缺乏下列哪种维生素可引起皮肤及各器官如呼吸道、消化道、腺体等上皮组织干燥、增生和角化
A.
维生素B1
B.
维生素B2
C.
维生素PP
D.
维生素A
E.
泛酸
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