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【单选题】
戊型肝炎的主要传播途径是A.
唾液传播
B.
注射-输血传播
C.
垂直传播
D.
飞沫呼吸道传播
E.
经粪-口途径传播
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【单选题】One of the tourists ______ from the tour group. That was why the tour guide lost his temper.
A.
kept away
B.
broke away
C.
took away
D.
gave away
【简答题】2013年,温州鞋革行业协会成立20周年之际,温州鞋企提出做好“三双鞋”,即“文化鞋”、“科技鞋”、“责任鞋”的理念。 1.文化鞋 温州制鞋历史并不短,有2000多年的历史,由过去的家庭作坊、前店后作坊,发展为现代化制鞋企业,制鞋工序也由原来的四五道,发展为现有的280多道工序。制鞋成为温州历史文化的一部分。于是,温州鞋业企业家提出“做鞋就要做文化”的理念。如今温州有不少鞋企一掷几百万或上千万元,...
【单选题】Application for a group tour of the White House must be submitted ______.
A.
exactly on the date of application
B.
at least 30 clays in advance
C.
any day between Tuesday and Saturday
D.
10 days before the date of the tour
【简答题】A．已知常温下，AgBr的Ksp=4.9×10 -13 ，AgI的Ksp=8.3×10 -17 ． （1）通常情况下，AgBr呈______色，见光变______色； （2）现向AgBr的悬浊液中： ①加入AgNO 3 固体，则c（Br - ）______（填“变大”、“变小”或“不变”，下同）； ②若改加更多的AgBr固体，则c（Ag + ）______； ③若改加更多的KI固体，则c（Ag +...
【简答题】Application for a group tour of the White House must be submitted ________. A) exactly on the date of application B) at least 30 days in advance C) any day between Tuesday and Saturday D) 10 days befo...
【单选题】Preparations for sending off the tour group include:
A.
Check the names, numbers of the tourists as well as the tickets. Help the tour leader confirm the air tickets;
B.
Confirm the correct time and place of the departure for the tour group;
C.
Remind tourists to pay the bills before they leave the hotel if they take drinks and others in the mini fridges in the room;
D.
Return their identity cards or passports before foreign tourists leave China.
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