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【单选题】
Two old gentlemen lived in a quiet street in Paris. They were friends and neighbors, and they often went for a walk together in the streets when the weather was fine. Last Saturday they went for a walk at the side 【61】 the river. The sun shone, the weather was warm, there 【62】 a lot of flowers everywhere, and there were boats on 【63】 water. The two men walked happily for half an hour, 【64】 then one of them said to the other, 'That's a 【65】 beautiful girl. ' 'Where can you see a beautiful girl?' said the 【66】 'I can't see one anywhere. I can see two young 【67】 They're walking towards us. ' 'The girl's walking behind us. ' 【68】 the first man quietly. 'But how can you see her 【69】 ?' asked his friend. The first man smiled and said. 'I 【70】 see her. but I can see the two young men's eyes. ' (61)A.
in
B.
on
C.
of
D.
with
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【单选题】在砷盐检查中,供试品可能含有微量硫化物会形成硫化氢,干扰砷斑的确认。为了除去硫化氢,需用蘸有下列溶液的药棉吸收硫化氢气体
A.
硝酸铅
B.
硝酸铅加硝酸钠
C.
醋酸铅
D.
醋酸铅加醋酸钠
E.
醋酸铅加氯化钠
【单选题】如果定义有变量double d1, d2=5.0 则下列说法正确的是:
A.
变量d1,d2均初始化为5.0
B.
变量d1没有初始化,d2初始化为5.0
C.
变量d1,d2均未初始化
D.
变量d2没有初始化,d1初始化为5.0
【单选题】如果定义有变量double d1, d2=4.0则下列说法正确的是（ ）。
A.
变量 d1,d2 均初始化为 4.0
B.
变量 d1 没有初始化 ,d2 初始化为 4.0
C.
变量 d1,d2 均未初始化
D.
变量 d2 没有初始化 ,d1 初始化为 4.0
【简答题】急性腹膜炎按发病机制可分为----,----,
【简答题】什么是木材的纤维饱和点?木材的纤维饱和点有何意义?
【简答题】t='Mike and Tom'拆分t的语句是：
【单选题】在砷盐检查中,供试品可能含有微量硫化物会形成硫化氢,后者与溴化汞作用形成硫化汞色斑,干扰砷斑的确认。为了除去硫化氢,需用蘸有下列溶液的药棉吸收硫化氢气体( )
A.
硝酸铅
B.
硝酸铅加硝酸钠
C.
醋酸铅
D.
醋酸铅加醋酸钠
E.
醋酸铅加氯化钠
【单选题】对杜威“教育即生长”的正确理解?
A.
教育以儿童的本能和能力为依据
B.
儿童的生长以教育目标为依据
C.
教育以促进教师的专业成长为基础
D.
教育应促进儿童的身体发育
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