题目

Try to write according to the pictures. Chen Jie 在给Peter介绍中国城市不同季节的天气活动及穿衣情况,请你依据图片,选择你喜欢的一所城市进行描述Weather (天气): warm, windy, cold, hot, rainy, snowy, sunny, ···Clothes (服装) : T-shirt, pants, shorts, dress, coat, scarf, gloves, sunglasses, ···Activities (活动): fly kites, ride a bike, go swimming, make a snowman, ···Sentences (句型): It' s ··· in ···. We can ···. This is ···. These are···. (1) Hangzhou (2) Hainan (3) Jilin在一定条件下,将1 mol CO和1 mol水蒸气混合后发生如下反应:CO(气)+H2O(气)CO2(气)+H2(气)若反应达到平衡时测得CO的转化率为21.75%,则平衡混合气体的密度为相同条件下H2密度的                                  A.5.75倍B.11.5倍C.30.67倍D.46倍
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