英语是联合国的工作语言之一。精品小编准备了高三英语必修5Unit2巩固训练，具体请看以下内容。

1. consist of 包括，无被动 consist in 在于

(1) Our class _______ 55 students at that time.

A. consisted of  B. consists of  C. made up of  D. was consisting of

(2) The beauty of Venice consists ____ the style of its ancient buildings.

(3) What _____ happiness consist ______?

(4) It's a simple dish to prepare, mainly ______ rice and vegetables.

2. puzzle 可数吗?puzzling/puzzled  be puzzled by/with

(1) I am _______a puzzle about the matter.

(2) He listened with a ________ expression on his face.

A. puzzled   B. being puzzled   C. puzzle   D. puzzling

(3) I am puzzled _______ the question.

(4) The girl looked at me with a _______expression. Maybe the problem was quite _________.

A. puzzled; puzzling  B. puzzling; puzzled

C. puzzled; puzzled   D. puzzling; puzzling

3. refer to提及;参考;提交;指代 refer to sth to sb

(1) Do you know the person ______ to at the meeting?

A. refer  B. refers to  C. referring  D. referred

(2) I agree never to _____ the matter again?

A. refer to   B. speak to  C. involve to  D. contribute to

(3) The president spoke at the business meeting for nearly an hour without ___ his notes.

A. bringing up  B. referring to  C. looking for   D. trying to

(4) When I said someone was late, I didn’t ____ you.

A. speak of   B. talk about   C. refer to  D. talk of

(5) He is referred to _____ a bookworm.

(6) We will refer to the matter ____ the headmaster.

4. there is no need…It’s no wonder  there is no doubt..  it is no need doing sth

(1) ----The public store is to close at 9:00 p.m

----_____ no need to worry; it is just 7:20

(2) They are good friends. _____ is no wonder that they know each other so well.