问题
填空题
用绳子系着铁块浸没在水中,当将绳子剪断后,铁块将下沉。在铁块下沉的过程中,铁块的上表面受到的液体压强将_______,铁块所受到的浮力将_______。
答案
增大;不变
用绳子系着铁块浸没在水中,当将绳子剪断后,铁块将下沉。在铁块下沉的过程中,铁块的上表面受到的液体压强将_______,铁块所受到的浮力将_______。
增大;不变
用方框中所给单词的适当形式填空。 | |
2. As we know, China is still a _______ country in the world. 3. Bruce succeeded in _______ the English exam. 4. Water is becoming less and less, so you aren't supposed to _______ every drop of water. 5. My grandpa has seen the changes in Lianjiang _______. |