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【简答题】
a×b的积一定大于a．______．
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【单选题】Why did the old woman come into the store?
A.
Because she needed some food.
B.
Because she wanted to take a rest.
C.
Because the store looked bright at night.
D.
Because the store was warmer than the outside.
【单选题】Why does the woman want to make the purchase in that store?
A.
The article is cheap in the store.
B.
The article is of good quality in the store.
C.
The store is near her place.
D.
The store has free delivery service.
【单选题】why did the old woman walk into the store?
A.
because she wanted to take a rest
B.
because the store looked bright at night
C.
because she needed some food
D.
because the store was warmer than the outside.
【简答题】某海港属半日潮港，当地理论深度基准面在黄海平均海平面下1.35m，以黄海平均海平面为基准测得进港航道水深为-12.90m，新建件杂货码头的船舶设计吃水为13.00m（含富裕水深等因素）。什么叫半日潮？其特征是什么？
【简答题】青海湖形成初期,通过倒淌河与黄河水系相通,后逐渐演变为咸水湖;现平均深度 18米。青海湖流域夏季风力最小,表层水温平均为16°C,底层水温平均为9.5°C;秋季风力开始逐渐增大,水温分层现象逐渐消失。下图示意青海湖地理位置。据此完成 11 — 13 题。 11 .青海湖由淡水湖演变成咸水湖的根本原因是 ( ) A.入湖径流减少 B.湖水蒸发加剧 C.入湖盐类物质增多 D.外泄河道被阻断 12 .青...
【简答题】某港的理论深度基准面与黄海平均海平面的高差为2.0m，港口地形图中标注的港口港池泥面高程为-14m，某施工单位需在港池内拖运沉箱，沉箱的最小稳定吃水为13m，沉箱拖运时的潮高为0.5m、富裕水深取0.5m。问题：（1）沉箱拖运是否可行？为什么？（2）如果不能拖运，改用乘潮拖运，潮高最低要达到多少米？
【简答题】Why does the woman want to make the purchase in that store? [A] The article is cheap in the store. [B] The article is of good quality in the store. [C] The store is near her place. [D] The store has f...
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