1) Started by 2 brothers, IMADA Electricity is now a leading ---- in the home appliance industry with 8,000 employees.

(A) manufacture
(B) manufacturer
(C) manufacturing
(D) manufactured

2) You can get repair and maintenance at no cost ---- the warranty period.

(A) except
(B) prior
(C) within
(D) between

3) All visitors who enter the production facility ---- to wear protective gear such as a helmet and safety boots.

(A) asked
(B) asks
(C) is asked
(D) are asked

4) Before booking flights for a business trip, all employees are required to
---- approval from their direct supervisor.

(A) obtain
(B) refurbish
(C) implement
(D) affix

解答
1. (B) 2. (C) 3. (D) 4. (A)