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【单选题】
若竖盘为式顺时针注记,在进行竖直角观测时,读数为 L ,读数为 R ,指标差为 X ,则、竖直角的对值是A.
90°-L+X；R-X-270°
B.
90°-L-X；R-X-270°
C.
L+X-90°；270°-R-X
D.
L-X-90°；270°-R+X
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【简答题】Paul couldn’t sleep last night. He woke up early and sat up, and then he lay down again. He felt terrible. “I must be sick,” he thought. “but I must study for that test.” He got up and looked for his ...
【单选题】He went to bed _______, when he woke up he found he still had his shoes on.
A.
drinking
B.
being drunk
C.
drunk
D.
having drunk
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