When the tornado touches the ground, it ..._______or _________.
举一反三
- When the tornado touches the ground, it does ___________________. It usually touches the ground for only about _______________, and it usually travels along the ground for only about ________________, but during that one minute, buildings are __________, trees are ____________ out of the ground, small objects are ________________, and sometimes people are ___________or _________.
- ____________he was in the air force he flew Tornado jets. A: When B: After C: Before D: /
- ____________he was in the air force he flew Tornado jets. A: When B: After C: Before D: /
- Tom heard them (play) ______ on the ground when he passed by.
- When the normative method determines the formula for calculating bearing capacity of ground, fa is（ ） A: characteristic value of bearing capacity of ground B: modified characteristic value of bearing capacity of ground C: correction coefficient of bearing capacity of ground D: uncertain