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【单选题】
一般情况下,秸秆还田小麦地造成小麦苗出现黄弱苗的原因是土壤中( )。A.
腐殖质过多
B.
秸秆未充分腐熟
C.
秸秆腐熟致氮素缺乏
D.
通气性降低
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举一反三
【单选题】According to the author, African-Americans filmmakers have failed to take which of the following steps in properly promoting African-American cinema?
A.
They have failed to demonstrate to studio executives the market potential of their films.
B.
They have failed to express ideological issues in their films that could attract potential audiences.
C.
They have neglected to use genuine African-American music as a force in their films.
D.
They have exploited stereotypes about African-Americans for the gain of themselves, but not the genre.
E.
They have failed to depict the African-American experience in an artistically engaging manner.
【单选题】According to UCP600，for the examination of documents the banks now have a maximum of ( )following the days of presentation．
A.
7 banking days
B.
5 banking days
C.
3 banking days
D.
1 banking days
【单选题】纳税人提供适用不同税率或者征收率的应税服务,应当分别核算适用不同税率或者征收率的销售额;未分别核算的,( )
A.
主管税务机关核定应税服务的销售额
B.
高适用税率
C.
高适用征收率
D.
照组成计税方法计算
【简答题】纳税人提供适用不同税率或者征收率的应税服务，应当分别核算适用不同税率或者征收率的销售额；未分别核算的，从高适用税率。（ ）
【单选题】关于旋挖钻孔灌注桩施工下列哪项选项是错误的?( )
A.
钻遇软层，特别是粘性土层，应选用较长斗齿及齿间距较大的钻斗以免糊钻，提钻后应经常检查底部切削齿，及时清理齿间粘泥，更换已磨钝的斗齿。
B.
钻遇硬土层，如发现每回次钻进深度太小，钻斗内碎渣量太少，可换一个较小直径钻斗，先钻一小孔，然后再用直径适宜钻斗扩孔。
C.
钻砂卵砾石层，为加固孔壁和便于取出砂卵砾石，可事先向孔内投入适量粘土球，采用双层底板捞砂钻斗，以防提钻过程中砂卵砾石从底部漏掉。
D.
旋挖钻机也可钻进基岩、漂石等地层，只是需要加大压力并提高转速即可。
【简答题】纳税人提供适用不同税率或者征收率的应税服务，应当分别核算适用不同税率或者征收率的销售额。 判断对错
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