【单选题】【消耗次数：1】
Breaking Mary’s doll was purely ____. John didn’t mean to
do it.
①
incidental
②
accidental
③
occasion
④
opportunity
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相关题目
【单选题】
I didn’t mean to do that. Please forgive me.____________
①
Not too bad.
②
Never mind.
③
It’s a pleasure.
④
Thank you.
【单选题】
Mary: How do you like Professor White’s lecture? John: ____
①
He talked about economy.
②
He teaches Class 2 students.
③
Very much.
④
He is a middle-aged professor.
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Mary regretted not ____ to John’s birthday party last Sunday.
①
going
②
to go
③
having been going
④
to be going
【单选题】
A: [填空]? B: Do you have a doll?
①
What do you want to sell
②
Shall I help you
③
Do you like a doll
④
What can I do for you
【单选题】
I didn’t know what to do, but then an idea suddenly ________ to me.
①
appeared
②
happened
③
occurred
④
emerged
【单选题】
She’s an only child, but they didn’t really __________ her.
①
hurt
②
damage
③
spoil
④
harm
【单选题】
—What’s the matter with the boys?
—They didn’t pass the examination, but they still______.
①
hope that
②
hope it
③
hope to
④
hope so
【单选题】
Mary, your dress is really beautiful. How is John?
①
Thank you very much
②
No, no, John is not bad
③
Thank you. He is fine
④
Don’t say that. It’s ugly. John is good
【单选题】
I do not intend to follow that, because we shall have an opportunity to do so on another __________ .
①
A occasion
②
situation
③
condition
④
environment
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---Why didn’t John call me ? ---Oh, his cell-phone ran out of power, otherwise he______ you.
①
had called
②
would have called
③
called
④
would call
随机题目
【单选题】
铁和铁合金是生活中常用的材料。下列说法正确的是（ ）。
①
铁与盐酸反应，铁合金不与盐酸反应
②
不锈钢是铁合金，只含金属元素
③
一定条件下，铁粉可与水蒸气反应
④
在空气中，铁板比镀锌铁板更耐腐蚀
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计算1mol<img class="kfformula" src="20200708/1594170134131282.png" data-latex="{O}_{2}" width="50" height="37"/>的质量是（ ）g。
①
64
②
8
③
32
④
16
【单选题】
跟<img class="kfformula" src="20200624/1592993561907006.png" data-latex="{2.8gN}_{2}" width="82" height="27"/>含有相同分子数的下列物质是（ ）。
①
16g氧气
②
0.1mol甲烷分子
③
<img class="kfformula" src="20200624/1592993561101898.png" data-latex="{3.01\times 10}^{22}" width="84" height="29"/>个磷酸分子
④
3.6 g水
【单选题】
非标准状况下,1<img class="kfformula" src="20200624/1592989910944862.png" data-latex="{mo10}_{2}" width="67" height="26"/>的体积为（ ）L。
①
无法计算
②
11.2
③
1
④
22.4
【单选题】
有0.1mol/L<img class="kfformula" src="20200707/1594087695131974.png" data-latex="{Na}_{2}{SO}_{4}" width="77" height="30"/>溶液300mL,0.1mol/L<img class="kfformula" src="20200707/1594087695248793.png" data-latex="{MgSO}_{4}" width="70" height="30"/>溶液200mL和0.1mol/L<img class="kfformula" src="20200707/1594087695350060.png" data-latex="{Al}_{2}{({SO}_{4})}_{3}" width="83" height="31"/>溶液100mL,这三种溶液中硫酸根离子物质的量浓度之比是（ ）。
①
1:1:1
②
1:1:3
③
3:2:3
④
3:2:2
【单选题】
判断反应<img class="kfformula" src="20200624/1592998926229256.png" data-latex="{2Fe(OH)}_{3}" width="101" height="24"/>====<img class="kfformula" src="20200624/1592998926912384.png" data-latex="{Fe}_{2}{0}_{3}+{H}_{2}O" width="104" height="33"/>的反应类型（ ）。
①
化合反应
②
中和反应
③
氧化还原反应
④
分解反应