A:保持S不变,增大d,则θ变大
B:保持S不变,增大d,则θ变小
C:保持d不变,减小S,则θ变小
D:保持d不变,减小S,则θ不变
—I worked as a volunteer in the school library last Friday afternoon.
—Really? Can I go with you next time?
看拼音写词语。
tú láo wú gōng
guā shú dì luò
bá miáo zhù zhǎng
____
chǐ yǒu suǒ duǎn
cùn yǒu suǒ cháng
qǔ cháng bǔ duǎn
当消费者合法权益受到侵害时,可以向公安机关起诉。( )