正确答案: A
潜水艇在海水中潜行时所受的浮力大于在江水中潜行时所受的浮力
题目:“远征号”潜水艇从长江某基地赴东海执行任务过程中 【 】
解析:A
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举一反三的答案和解析:
[单选题]Howmuchdoestheticket______fromShanghaitoBeijing?
cost
[单选题]在我州建始县花坪乡的关口村,由于那里特殊的地理位置,白天光照强、气温高,夜间气温较低,所产的“关口葡萄”特别甜。这是因为与别处相比:
关口村的葡萄白天光合作用制造的有机物多,晚上呼吸作用消耗的有机物相对较少
[单选题]14.
keeps
解析:14.C【解析】keep your body and mind alert意为“使你的身体和思维保持敏捷”。
[单选题]23. Why did I feel worried suddenly?
I felt the bad tooth was still there.
解析:23.A 【解析】从“Suddenly l felt very worried because the bad tooth was still there”可知A为正确选项。
[单选题]( )–It’s raining heavily.Let’s stand under that big tree.–__________.It’s very dangerous to do so in such weather.
We’d better not
[单选题]6. —Which number is next to nineteen?—________.
Twenty
解析:6.A【解析】句意为“哪个数字是挨着19的?”。