阿胶在煎煮时宜()
A.先煎
B.后下
C.包煎
D.烊化
E.榨汁
参考答案:D
Read and judge. 判断下列句子正 (T) 误 (F)。
( ) 1. I went to the zoo with my friends tomorrow.
( ) 2. My father bought some fruits and vegetables.
( ) 3. There are seven days in a year.
( ) 4. There are sixty minutes in an hour.
( ) 5. There are twelve weeks in a month.
如图是利用水和盐水等器材来研究浮力的实验过程,请根据图中提供的信息回答下列问题:
(1)本实验是研究浮力的大小与________________ 的关系。
(2)实验可测出物体在水中所受浮力大小为________ N,物体的体积是________ m3(g取10N/㎏),还可测出的物理量有________________ (写出一个即可,无需计算出结果)。