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【简答题】
What is the national epic of the English people? What is the main features of the work?(list at least 3 points)
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举一反三
【单选题】Not until ____ finished my homework ___ to watch TV.
A.
I had; I began
B.
had I; I began
C.
I had; did I begin
D.
had I; did I begin
【简答题】某混合溶液中可能含有的离子如下表所示: 可能大量含有的阳离子 H + 、Ag + 、Mg 2+ 、Al 3+ 、NH 4 + 、Fe 3+ 可能大量含有的阴离子 Cl - 、Br - 、I - 、CO 3 2 — 、AlO 2 — 为探究其成分,进行了以下探究实验。 (1)探究一: 甲同学取一定量的混合溶液,向其中逐滴加入氢氧化钠溶液,产生沉淀的物质的量(n)与加入氢氧化钠溶液的体积(V)的关系如...
【单选题】They thought  too much about  ______.
A.
which I had said
B.
what I had said
C.
that I had said
D.
I had said
【单选题】No sooner _______ entered the office _______I heard the telephone ringing. A. had I, when B. I had, than C. had I, than D. I had, when
A.
had I, when
B.
I had, than
C.
had I, than
D.
I had, when
【单选题】听力原文: 'If you ask me television is unhealthy,' I said to my roommate Walter, as I walked into the living room, 'while you are sitting passively in front of the TV set, your muscles are turning to fat,...
A.
A murder mystery.
B.
A football game.
C.
A political debate.
D.
A documentary.
【简答题】①制备纳米TiO 2 的方法之一是TiCl 4 水解生成TiO 2 ·xH 2 O,经过滤、水洗除去其中的Cl - ,再烘干、焙烧除去水分得到粉体TiO 2 。 ②用NaOH测定滤液的浓度:准确称量1.000gNaOH固体质量,配制成250mL溶液,准确量取25.00mL溶液装在碱式滴定管,滴加2滴酚酞作指示剂。把滤液装在酸式滴定管中,调节液面排除气泡后,滤液的凹液面刚好在“0”刻度,滴定NaOH...
【单选题】单选】下面叙述错误的是( )。
A.
凭证式国债和储蓄国债(电子式)都在商业银行柜台发行,不能上市流通
B.
尽管债券和股票有各自的特点,但它们都属于有价证券
C.
从功能上看,政府债券最初仅是政府弥补赤字的手段,但在现代商品经济条件下,政府债券已成为政府筹集资金、扩大公共开支的重要手段
D.
债券票面利率与期限成正比,所以不可能存在短期债券票面利率高而长期债券票面利率低的现象。
【单选题】提出“仁者寿,智者寿”的是
A.
老子
B.
庄子
C.
孔子
D.
孟子
【判断题】图腾(totem)一词来源于古希腊语。
A.
正确
B.
错误
【单选题】I walke d through the rooms for no reason ________ particular.
A.
in
B.
for
C.
of
D.
on
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