()1. I like because I like weekends.

A.Mondays
B.Fridays
C.Sundays

C

句意为“我喜欢______，因为我喜欢周末”。周末包含周六和周日，选项A周一、B周五都不属于周末，选项C周日属于周末，符合句子逻辑。

()2. Chen Bing do his homework on Saturdays?

A.Is
B.Does
C.Do

B

本句是一般现在时的疑问句，句中已有实义动词原形do（做），不能用be动词Is；主语Chen Bing是第三人称单数，要搭配助动词Does引导问句，Do仅用于非第三人称单数的主语，因此选B。

()3. I usually have a dancing lesson Sunday mornings.

A.in
B.on
C.at

B

本题考察时间介词的用法：in用于年、月、季节等大范围时间前；at用于具体时刻前；on用于具体某一天的上午、下午或晚上前。Sunday mornings是具体的周日上午，此处介词用on。

二、阅读对话,完成任务。
Tom: Hi, Li Hua. What do you usually do on Saturdays?
Li Hua: I usually do my homework on Saturday mornings. In the afternoon, I often help my mother do chores. I can sweep the floor and tidy my bedroom.
Tom: You're very helpful! Do you do any fun activities at the weekend?
Li Hua: Of course. I always play Chinese chess with my father on Saturday evenings. What about you, Tom?
Tom: I usually read books on Saturday mornings. Then I jump rope and play basketball with my brother in the playground. I often have a piano lesson on Saturday afternoons. In the evening, I sometimes cook dinner for my brother because my parents have to work.
Li Hua: Great! You're very helpful too.
任务一:阅读对话,判断下列句子的对(√)错(×)。
()1. Li Hua can sweep the floor and tidy his bedroom.
()2. Tom jumps rope with his brother on Saturday afternoons.
()3. Tom often cooks for his brother on Sunday evenings.
()4. Both Li Hua and Tom are helpful at home.
任务二:阅读对话,回答问题。
1. What does Li Hua do on Saturday evenings?



2. Do Tom's parents work on Saturdays?

任务一：1. √ 2. × 3. × 4. √
任务二：1. He always plays Chinese chess with his father on Saturday evenings.
2. Yes, they do.

任务一：
1. 原文Li Hua明确提到自己会扫地和整理卧室，和句子描述完全一致，判断为正确。
2. 原文Tom说明自己周六上午读完书之后和兄弟跳绳、打篮球，周六下午要上钢琴课，和句子里“周六下午跳绳”的描述不符，判断为错误。
3. 原文Tom提到自己是周六晚上有时候给弟弟做饭，并非句子所说的周日晚上，描述不符，判断为错误。
4. 对话中Tom称赞Li Hua很能干，Li Hua也表示Tom在家也很能干，两人在家都很乐于助人，和句子描述一致，判断为正确。
任务二：
1. 可以直接从Li Hua的对话中提取他周六晚上的活动内容作答。
2. 从Tom的表述可知，周六晚上他要给弟弟做饭是因为父母必须上班，由此可以给出肯定回答。