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【多选题】
在中国植物具有一定的人格品性,下列象征着象征荣华富贵的植物有( )。A.
玉兰
B.
荷花
C.
桂花
D.
美人蕉
E.
牡丹
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皮皮学刷刷变学霸
举一反三
【单选题】下图为生长素（IAA）对豌豆幼苗茎内赤霉素生物合成影响的示意图。图中GA1、GA8、GA20、GA29是四种不同的赤霉素，只有GA1能促进豌豆茎的伸长。若图中酶1或酶2的基因发生突变，会导致相应的生化反应受阻。下列叙述错误的是（）
A.
对去顶芽豌豆幼苗外施适宜浓度IAA，该植株茎内GA1的合成可恢复正常
B.
用生长素极性运输抑制剂处理豌豆幼苗的顶芽，该植株较正常植株矮
C.
对酶1基因突变的豌豆幼苗施用GA20，该植株可恢复正常植株高度
D.
酶2基因突变的豌豆，其植株较正常植株高
【简答题】要查找所有第一个字母为A且扩展名为wav的文件,应输入()
【简答题】运输合理化的影响因素是 ( 1 ) 运输距离 ;( 2 ) _______ ;( 3 ) ______ ;( 4 ) _______ ;( 5 ) _________ 。
【简答题】A．That the British would attack by sea. B．That the British were retreating. C．That the British were willing to sign a treaty. D．That the British had won the first battle.
【单选题】It can be inferred that the author of the passage expects that the experience of the student mentioned as having studied Wife in the Right would have one of the following effects. That is ______.
A.
It would lead the student to disregard information found in the Bibliotheca Britannica.
B.
It would teach the student to question the accuracy of certain kinds of information sources when studying neglected authors.
C.
It would teach the student to avoid the use of reference sources in studying neglected authors.
D.
It would enhance the student's appreciation of the works of authors not included in the canon.
【简答题】a≠b≠c,α=β=γ=90°的晶体1属于什么晶系?a≠b≠c,α≠β≠γ≠90°的晶体2属于什么晶系?能否据此确定这两种晶体的布拉菲点阵
【简答题】在Windows XP中，如果要查找文件的首个字母为“a”的所有文件，查找命令对话框中输入的关键字为________。
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