某学生用量筒量取液体,量筒摆放平稳,且学生面对刻度,他首先俯

某学生用量筒量取液体,量筒摆放平稳,且学生面对刻度,他首先俯视凹液面的最低处读数为19mL,倾出一部分液体后,又仰视读数为10mL,则该同学实际倒出液体的体积为

A．等于9mL

B．大于9mL

C．小于9mL

D．无法确定

登录免费查看答案和解析

相关试题

Vivian refuses ______ her children to the weekend training centre for extra classes．（　　）

A．

to send

B．

sending

C．

sent

D．

sends

收藏答案/解析

The museum _____ next month to celebrate the Science & Technology Festival．（　　）

A．	is decorated	B．	will decorate
C．	is decorating	D．	will be decorated

收藏答案/解析

Several journalists _______ the lawyer about the international case an hour ago．（　　）

A．	interview	B．	interviewed
C．	will interview	D．	had interviewed

收藏答案/解析

Do you know ______ a 5﹣day trip to Hong Kong costs？

I guess it's about¥4，000．（　　）

A．

how fast

B．

how long

C．

how soon

D．

how much

收藏答案/解析

Some exchange students _______ with their host families this time yesterday．（　　）

A．	are chatting	B．	will chat
C．	were chatting	D．	have chatted

收藏答案/解析