阅读材料，选择正确的答案。
It is the first day of the new term. David and Tom go to the kindergarten for the first day. The teacher meets them at the gate.
Teacher: Good morning.
David & Tom: Good morning.
Teacher: Welcome to school.
David: I'm David. Tom: I'm Tom.
Teacher: Who is the elder, Tom or David?
Tom: David, don't tell her I'm the elder.
(
A. the teacher B. Tom C. Mum
(
A. door B. gate C. zoo
(
A. Tom. B. David. C. We don't know.
(
A. Yes. B. No. C. We don't know.
It is the first day of the new term. David and Tom go to the kindergarten for the first day. The teacher meets them at the gate.
Teacher: Good morning.
David & Tom: Good morning.
Teacher: Welcome to school.
David: I'm David. Tom: I'm Tom.
Teacher: Who is the elder, Tom or David?
Tom: David, don't tell her I'm the elder.
(
B
)1. David and Tom
go to the kindergarten for the first day.A. the teacher B. Tom C. Mum
(
B
)2. The teacher meets them at the gate
.A. door B. gate C. zoo
(
A
)3. Who is the elder?A. Tom. B. David. C. We don't know.
(
A
)4. Can the teacher know(知道) the truth(事实)?A. Yes. B. No. C. We don't know.
答案：1. B 解析 由材料中“David and Tom go to the kindergarten for the first day.”可知，David 和 Tom 第一天去幼儿园，故选 B。
2. B
3. A
4. A 解析 由“Tom: David, don't tell her I'm the elder.”可知，Tom 当着老师的面跟 David 说话，由此可以推断，老师能听到 Tom 说的内容，知道 Tom 的年龄比 David 大，故选 A。
2. B
3. A
4. A 解析 由“Tom: David, don't tell her I'm the elder.”可知，Tom 当着老师的面跟 David 说话，由此可以推断，老师能听到 Tom 说的内容，知道 Tom 的年龄比 David 大，故选 A。
练习 根据中文提示
填空。
1. Alice is Roger's
2. She is the
填空。
1. Alice is Roger's
elder
（年纪较长的）sister.2. She is the
elder
（年长者）of the two candidates（候选人）.答案：1. elder
2. elder
2. elder