— is your house?
—It's next to the park.
A:What
B:Where
C:How
D:When
下列各组词语中,有两个错别字的一组是( )
下列单位换算过程正确的是( )
What kind of structure is the sentence “The girl showed her classmates some of her family photos.”?
小华用电能表测量家中电热淋浴器的热效率.他将家中其他用电器与电源断开,仅让淋浴器工作,把淋浴器内质量为50kg,初温为20℃的水加热到50℃,加热前后电能表示数如图所示,已知c水=4.2×103J/(kg•℃),求: