练习答案 Key to written exercises
Lesson 58
A
1 She usually drinks tea in the morning, but this morning, she is drinking coffee.
2 They usually play in the garden in the afternoon, but this afternoon, they are playing in the park.
3 He usually washes the dishes at night, but tonight he is washing clothes.
B
1 What does she usually do in the morning?
She usually drinks tea in the morning.
What is she doing this morning?
She is drinking coffee.
2 What do they usually do in the afternoon?
They usually play in the garden in the afternoon.
What are they doing this afternoon?
They are swimming in the river.
3 What do you usually do in the evening?
I usually cook a meal in the evening.
What are you doing this evening?
I am reading a book this evening.
4 What do you usually do at night?
We usually watch television at night.
What are you doing tonight?
We are listening to the stereo tonight.
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课文详注 Further notes on the text
1．by car, 乘汽车。
by（乘坐）表示“乘坐（某种交通工具）”，但它必须与动词连用。表交通工具的名词前不加冠词：
by boat 乘船
by bus 乘公共汽车
by plane 乘飞机
by sea 乘船
2．on foot, 步行。
语法 Grammar in use
一般现在时与现在进行时
一般现在时表示一般的动作或不断重复发生的动作；现在进行时表示说话时正在发生的动作，动还没有完成。
一般现在时表示永久的情况；进行时表示暂时的情况。
进行时只用于表示动作或偶尔发生的事件（We are eating, it is raining等等）。有些动词（如 like, want, know等）不是动作动词，因此不能用进行时态，如不能说 I am knowing或We are liking，而只能说 I know或 We like。
一般现在时表达某个习惯性动作，通常与时间频度副词连用，如 usually, always, often, sometimes, never等；现在进行时表示此时此刻正在进行的动作，一般与 now, at the moment, today, this afternoon, this evening, tonight等连用。
We usually watch television at night. But we are listening to the stereo tonight. 我们通常晚上看电视。但是今晚我们正在听立体声节目。
词汇学习 Word study
1．play
（1）v. 玩，做游戏：
（2）v. 参加（体育活动、比赛等）：
（3）n. 玩耍；娱乐：
2．cook
（1）v. 烹调；煮，烧：
（2）n. 厨子，炊事员：
