【单选题】【消耗次数:1】
This is a _____ moment for our research. We should be careful.
critical
belt
conscience
copper
参考答案:
复制
纠错
相关题目
【单选题】 The question came up at the meeting ___ we had enough money for our research.
①  that
②  which
③  whether
④  if
【单选题】 Read the book carefully __________ you’ll find lots of information related to our research.
①  if
②  and
③  so
④  or
【单选题】 The ( ) hope to cooperate on this initial research.
①  historic
②  history
③  historical
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【单选题】 ______ the storm, we should have reached our company.
①  Because of
②  In spite of
③  In case of
④  But for
【单选题】 We should be pleased to send you some samples of our new printers on approval, _______ our own expenses.
①  at
②  on
③  for
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【单选题】 It is often more difficult to find trained men than ____ for scientific research.
①  getting financial support
②  to getting financial support
③  to get financial support
④  in getting financial support
【单选题】 We should make a clear ____ between the two scientific terms for the purpose of our discussion.
①  separation
②  discrimination
③  deviation
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【单选题】 When we speak to people, we should be ______.
①  as polite as possible
②  as polite as possibly
③  as politely as possible
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【单选题】 2.Should any critical issue _______ the negotiation with foreign company, immediately report to the manager for advice.
①  arise from
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【单选题】 Not only ______ our money, but we were also in danger of losing our lives.
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【单选题】 培养基各试剂应使用()纯
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【单选题】 对于长日照植物,北药南移时,会出现?
①  早熟
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④  不受影响
【单选题】 决定能否复种的关键条件是什么?
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【单选题】 有些种子如山楂、女贞,其休眠的原因是?
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③  胚未成熟
④  种皮过厚
【单选题】 主要是以无机盐形式的肥料,有效养分高,体积小,易溶于水,肥效快。但长期单独大量使用会造成土壤板结是哪种肥料的特征?
①  有机肥
②  微肥
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【单选题】 连作时生长严重受阻,植株矮小,发育异常,减产严重,甚至绝收。如烟草属于哪项?
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【单选题】 氮肥属于以下哪种肥料?
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②  微肥
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④  菌肥
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【单选题】 人工利用植物的某一部分与母体分离进行繁殖的方法是哪种繁殖
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②  扦插繁殖
③  分株繁殖
④  嫁接繁殖