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【单选题】
在O点上安置DJ6经纬仪，用测回法测量水平角，观测M和N两个方向，上半测回左目标读数为6º23′20″，右目标读数为95º48′00″；下半测回右目标读数为275º48′22″下半测回读数为（），认为此次观测精度超限。A.
186º23′18″
B.
186º23′42″
C.
186º24′06″
D.
186º24′48″
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皮皮学刷刷变学霸
举一反三
【简答题】有时为了提高铸铁的力学性能或物理、化学性能,还可加入一定量的合金元素,得到( )。
【单选题】当法布里-珀罗干涉仪中两平行腔面间的距离增加时，其（ ）。
A.
分辨能力增强
B.
分辨能力降低
C.
自由光谱范围 D l 增大
D.
最小可分辨波长差 d l 增大
【单选题】It was not yet eleven o’clock when a boat crossed the river with a single passenger who had obtained his transportation at that unusual hour by promising an extra fare. While the youth stood on the la...
A.
wealthy business man
B.
boy from the countryside
C.
soldier
D.
foreign traveler
【单选题】【例题•单选题】甲公司年初所有者权益总额为160万元,本年度实现净利润300万元,资本公积转增资本50万元,提取盈余公积30万元,向投资者分配现金股利20万元。假设不考虑其他情况,甲公司年末所有者权益总额为( )万元。
A.
360
B.
410
C.
440
D.
460
【单选题】If you can't figure out the word, you can ____ the dictionary for its accurate meaning.
A.
check
B.
examine
C.
look up
D.
consult
【单选题】It was not yet eleven o’clock when a boat crossed the river with a single passenger who had obtained his transportation at that unusual hour by promising an extra fare. While the youth stood on the la...
A.
to buy new clothes
B.
for the first time
C.
on one of his regular trips there
D.
to borrow money
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