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【单选题】
(47669) 道岔前端与另一道岔后端相连时,容许速度不大于 120km/h 的线路,尖轨尖端轨距递减率应不大于()。A.
1 ‰
B.
2 ‰
C.
3 ‰
D.
6 ‰
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【单选题】What was Shakespeare's first original play written in about 1590?
A.
Hamlet.
B.
The Merchant of Venice.
C.
King Henry VI.
D.
King Lear.
【单选题】下列各项股利分配政策中，以保持股利与利润间的一定比例关系，体现风险投资与风险收益对等关系的是（ ）。
A.
剩余股利政策
B.
固定股利或稳定增长股利政策
C.
固定股利支付率政策
D.
低正常股利加额外股利政策
【简答题】下列各项股利分配政策中,以保持股利与利润间的一定比例关系,体现风险投资与风险收益对等关系的 是 (
) 。A. 剩余股利政策 B. 固定股利或稳定增长股利政策 C. 固定股利支付率政策 D. 低正常股利加额外股利政策
【简答题】用氟离子选择电极的标准曲线法测定试液中F-浓度时, 对较复杂的试液需要加入______试剂, 其目的有第一维持试样与标准试液有恒定的离子活度;第二使试液在离子选择电极适合的pH范围内，避免H+或OH-干扰;第三使被测离子释放成为可检测的游离离子。
【单选题】Until about 1590, the bourgeoisie had many interests in common with those of the monarchy in the struggles against the following except ________.
A.
Spain
B.
the Roman Catholic Church
C.
noble houses ruining the country with their civil wars
D.
the common people
【单选题】The underlined sentence 'Both students hang on until about mid-term' (Para. 1) tells us that______.
A.
they didn't study well
B.
they didn't take part in class activities
C.
they didn't take notes in class
D.
they didn't finish their study that term
【单选题】It’s not until we know more about it _______ be able to improve the situation.
A.
will we
B.
we will
C.
that will we
D.
that we will
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