She couldn‘t take shorthand，_______slowed down the work of the office.

单框双玻金属窗的传热系数[w/(㎡·K)]接近于下列何值？( )A.6.4B.4.7C.3.9D.2.7

单项选择题单框双玻金属窗的传热系数[w/(㎡·K)]接近于下列何值？( )

​航行区域是指定期租船合同规定的本船可以航行的限定范围。‍ ​‍A．正确 B．错误

不定项选择​航行区域是指定期租船合同规定的本船可以航行的限定范围。‍
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To produce one pound of honey,a colony of bees must fly...

单项选择题To produce one pound of honey,a colony of bees must fly a distance_______to twice around the world.