问题
选择题
–What ______you here, my old friend?
--- It’s you.
A．brought
B．has brought
C．takes
D．fetched
答案
答案：B
搜题请搜索小程序“爱下问搜题”
–What ______you here, my old friend?
--- It’s you.
A．brought
B．has brought
C．takes
D．fetched
答案：B
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)轻轻放入装满水的桶中，苹果静止时将处于__________状态（填“漂浮”“悬浮”或“沉底”）；若苹果受到的重力为1.5 N，则从桶中溢出的水受到的重力为________N，溢出的水的质量为________g. (g取10 N/kg)