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【多选题】
校准移液管时,两次放出纯水的质量之差难以做到小于 0.01g ,可能的原因是( )
A.
徒手取放具塞锥形瓶瓶塞
B.
天平秤盘上残留有水
C.
放水前具塞锥形瓶中残留有水
D.
移液管本身存在刻度误差
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【简答题】The owner of a missing cat is asking for help. “My baby has been missing for over a month now, and I want him back so badly,” said Mrs. Brown, a 56-year-old woman. Mrs. Brown lives by herself in a tra...
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【多选题】五年级上册课文《窃读记》中,有一段这样的环境描写: “转过街角,看见饭店的招牌,闻见炒菜的香味,听见锅勺敲打的声音,我放慢了脚步。放学后急匆匆地从学校赶到这里,目的地不是饭店,而是紧邻它的一家书店。” 同学们,请你联系上下文,想一想,此处的环境描写发挥了哪些作用呢?
A.
交代了时间（放学后）地点（街角、紧邻饭店）人（ “我”）
B.
推动了后文作者忍饥读书这一情节发展，为后文做铺垫
C.
借忙碌的炒菜、锅勺敲打的生活之景抒发了作者急切、渴望快点看到书的心情。
D.
总领全文，承上启下
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【单选题】He was seriously ill. That’s _______ he didn’t appear at the party.
A.
because
B.
what
C.
why
D.
when
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【单选题】我们生活在一个渴望成功的时代。我跑遍了世界各地去寻找那些成功的人，要去询问他们有没有什么成功的秘诀。我采访了500多位精英人士后，对成功的定义有了质疑。到底什么算成功？更成功又怎样？我们的社会是不是患了“成功综合征”？为了“成功”，我们急急忙忙地赶路，经常撞着这个碰到那个，我们是不是想过把他们扶起来，说声对不起？为了“成功”，我们忽略了路边的风景，忽略了身边的人，我们能不能停下脚步给他们一个微笑，...
A.
渴望成功的冲动让我们失去了更多可能对我们而言更珍贵的东西
B.
现代人对于成功的定义是错误的
C.
我们的社会患上了“成功综合征”，每个人都在追求成功
D.
真正的成功与身份无关，而是得到身边人的珍视
查看完整题目与答案
【单选题】He didn’t at the meeting yesterday.
A.
join
B.
appear
C.
attend
D.
take part in
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【单选题】Why didn’t the friend come to see Pierre about the burn on his abdomen immediately after he had put a piece of radium in his coat pocket?
A.
Because he thought he could find the cause of the burn without asking Pierre.
B.
Because he forgot that he had put a piece of radium in his pocket.
C.
Because although there was a burn on his abdomen, it didn’t hurt.
D.
Because the burn by radium didn’t appear until several days later.
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【单选题】He didn’t appear ______ the meeting had begun.
A.
when
B.
after
C.
as soon as
D.
until
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【单选题】We waited for him at the school gate , but he didn’t appear until nine.
A.
know
B.
finish
C.
look around
D.
come
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【简答题】As the mobile phones so widely appear in our daily life, someone said it would be cool if you didn’t have a mobile phone nowadays. It might be true to some extent, but as for an , a mobile means ...
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【单选题】He ________ me to come to my birthday party, but until it was over he didn’t appear at all.
A.
asked
B.
told
C.
agreed
D.
promised
查看完整题目与答案
相关题目：
【简答题】The owner of a missing cat is asking for help. “My baby has been missing for over a month now, and I want him back so badly,” said Mrs. Brown, a 56-year-old woman. Mrs. Brown lives by herself in a tra...
查看完整题目与答案
【多选题】五年级上册课文《窃读记》中,有一段这样的环境描写: “转过街角,看见饭店的招牌,闻见炒菜的香味,听见锅勺敲打的声音,我放慢了脚步。放学后急匆匆地从学校赶到这里,目的地不是饭店,而是紧邻它的一家书店。” 同学们,请你联系上下文,想一想,此处的环境描写发挥了哪些作用呢?
A.
交代了时间（放学后）地点（街角、紧邻饭店）人（ “我”）
B.
推动了后文作者忍饥读书这一情节发展，为后文做铺垫
C.
借忙碌的炒菜、锅勺敲打的生活之景抒发了作者急切、渴望快点看到书的心情。
D.
总领全文，承上启下
查看完整题目与答案
【单选题】He was seriously ill. That’s _______ he didn’t appear at the party.
A.
because
B.
what
C.
why
D.
when
查看完整题目与答案
【单选题】我们生活在一个渴望成功的时代。我跑遍了世界各地去寻找那些成功的人，要去询问他们有没有什么成功的秘诀。我采访了500多位精英人士后，对成功的定义有了质疑。到底什么算成功？更成功又怎样？我们的社会是不是患了“成功综合征”？为了“成功”，我们急急忙忙地赶路，经常撞着这个碰到那个，我们是不是想过把他们扶起来，说声对不起？为了“成功”，我们忽略了路边的风景，忽略了身边的人，我们能不能停下脚步给他们一个微笑，...
A.
渴望成功的冲动让我们失去了更多可能对我们而言更珍贵的东西
B.
现代人对于成功的定义是错误的
C.
我们的社会患上了“成功综合征”，每个人都在追求成功
D.
真正的成功与身份无关，而是得到身边人的珍视
查看完整题目与答案
【单选题】He didn’t at the meeting yesterday.
A.
join
B.
appear
C.
attend
D.
take part in
查看完整题目与答案
【单选题】Why didn’t the friend come to see Pierre about the burn on his abdomen immediately after he had put a piece of radium in his coat pocket?
A.
Because he thought he could find the cause of the burn without asking Pierre.
B.
Because he forgot that he had put a piece of radium in his pocket.
C.
Because although there was a burn on his abdomen, it didn’t hurt.
D.
Because the burn by radium didn’t appear until several days later.
查看完整题目与答案
【单选题】He didn’t appear ______ the meeting had begun.
A.
when
B.
after
C.
as soon as
D.
until
查看完整题目与答案
【单选题】We waited for him at the school gate , but he didn’t appear until nine.
A.
know
B.
finish
C.
look around
D.
come
查看完整题目与答案
【简答题】As the mobile phones so widely appear in our daily life, someone said it would be cool if you didn’t have a mobile phone nowadays. It might be true to some extent, but as for an , a mobile means ...
查看完整题目与答案
【单选题】He ________ me to come to my birthday party, but until it was over he didn’t appear at all.
A.
asked
B.
told
C.
agreed
D.
promised
查看完整题目与答案
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