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【单选题】
睾吸虫的第一中间宿主是A.
拟钉螺
B.
川卷螺
C.
钉螺
D.
纹沼螺
E.
扁卷螺
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举一反三
【单选题】A. In this part you will hear ten sentences. Listen and select the correct answer to each question. Sentence 2 Q2. What will happen if a patient experiences major bleeding?
A.
He will feel dizzy.
B.
He will die.
【单选题】Passage 2. What will happen to children if they use phones and tablets before bedtime?
A.
It will prevent them from sleeping.
B.
It will help them sleep well.
C.
They will be made to feel excited.
D.
Their communicative skills will be improved.
【多选题】下列关于旅游合同缔结当事人说法正确的有( )
A.
在我国境内，未取得《旅行社业务经营许可证》的，不得从事旅游业务
B.
旅行社的经营范围包括入境旅游业务、境内旅游业务、出境旅游业务和边境旅游业务
C.
未经国家旅游局批准，任何旅行社不得经营中华人民共和国境内居民出境旅游业务和边境旅游业务
D.
旅行社应当按照核定的经营范围展开经营活动
E.
残疾人、老人和儿童不应参加旅游
【单选题】Night of the Living Ants When an ant dies，other ants move the dead insect out of the nest．This behavior. is interesting to scientists，who wonder how ants know for sure-and so soon-that another ant is ...
A.
the chemical that contains poison．
B.
the chemical that announces death．
C.
the chemical that prevents death．
D.
the chemical that causes death．
【简答题】如图所示,在平行四边形ABCD中,对角线AC,BD相交于点O,已知△BOC的周长比△AOB的周长大3,平行四边形ABCD的周长为26,则BC的长度为______ .
【简答题】钢质1CC箱长( )、宽( )、高( ),钢质1C箱自重约( );钢质1AA箱长( )、宽( )、高( ),箱自重约( )。
【单选题】What will happen to children if they use phones and tablets before bedtime?
A.
It will prevent them from sleeping.
B.
It will help them sleep well.
C.
They will be made to feel excited
D.
Their communicative skills will be improved
【简答题】Unit 2 Content Questions 2. What will happen to cars and roads in the 21st century?
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