Chiang Mai (清迈) has been one of tourist places for Chinese since the movie Lost in Thailand (《泰囧》) was shown.
A：hot
B： hotter
C：hottest
D：the hottest
根据拼音写出相应词语
2600×3＝____
406×6＝____
219×4＝____
对于通电螺线管极性的标注，如图中正确的是（ ）
