阅读材料，回答问题：
【语言素材】
A: What would you like for lunch?
B: I'd like some green beans, please.
A: Sure.
B: Thank you.
A: What would you like for lunch?
C: I'd like some eggplant, please.
A: Sorry, no eggplant.
【教学目标】
(1) Students could ask someone and express own love for food, such as "What would you
like? I'd like ... I like ...".
(2) Train students' speaking ability through dialogue practice.
(3) Develop students' good eating habits.
【教学实录】
Step l Warming-up
①Greetings
②老师或学生说食物单词，学生快速指出教室墙壁上帖的对应的卡片。
③老师说单词，学生用“…is red／yellow／green…”描述其颜色。如：Eggplant is purple．
Tomato is red．
④Game：What’s missing?
学生闭上眼睛，老师迅速摘走黑板上的一张图片，让他们说出不见了的单词。
Step 2 Presentation
Step 3 Practice
Step 4 Class Discussion
Step 5 Summary&Homework
0ne student acts as an assistant teacher to guide all the students to read the sentences together．
Ask students to finish the following homework．
①Read the dialogue after class．
②Make a new dialogue using the sentence pattern we have learnt today．
案例分析。
(1)案例中的课时教学目标存在什么问题?请简要分析。
(2)根据以上问题，修改、续写新的课时目标。