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【单选题】英版海图某地大潮升3.5m，小潮升3.0m，平均海面2.0m，某架空电缆净空高36m，当该地潮高为0.5m时，该电缆最低处距当时海面的实际距离为（）。
A.
39
B.
37
C.
35
D.
33
【单选题】Passage Two New ice core samples taken from the centre of the Greenland ice-sheet have given a detailed record of the last "interglacial(间冰期)" which ran from about 135,000 to 115,000 yea...
A.
there is an unseen hand controlling the earth’s movement
B.
there is an operating manual warning people against air-conditioning in the factory
C.
people should prepare operating manuals to tell workers how to get greater comfort
D.
people have been enjoying the most comfortable climate in Earth’s history
【单选题】某皮鞋生产厂的粘合工，女性，工龄5年，近来主诉头痛、头晕，化验发现白细胞总数下降，此工人易患何种职业肿瘤（）
A.
膀胱癌
B.
白血病
C.
肺癌
D.
皮肤癌
E.
肝癌