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【单选题】
下列关于浓硝酸的说法 不 正确的是A.
易挥发
B.
保存在棕色试剂瓶中
C.
受热易分解
D.
常温下不能与铜反应
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【简答题】The survey shows that green food is becoming (popular) ______ than traditional food.
【单选题】A survey done recently shows that not all parents ________ their children taking part in the weekend classes. [ ]
A.
escape from
B.
lead to
C.
accuse of
D.
approve of
【单选题】A recent survey shows that the number of children who from the countryside with their parents ________nearly 320,000 in Beijing.
A.
comes; are
B.
come; is
C.
come; are
D.
comes; is
【单选题】A survey shows bureaucrat is the biggest barrier ____ doing business in Korea.
A.
of
B.
for
C.
with
D.
to
【单选题】全国社保基金理事会直接运作的基金的投资范围限于( )，其他投资需委托社保基金投资管理人管理和运作并委托社保基金托管人托管。①银行存款②金融债③在一级市场购买国债④股票
A.
①②
B.
①③
C.
②③
D.
②④
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