1. A survey of China’s netizens found that some smokers are unwilling to kick the habit because they aren’t fully _______ of the harm it does to health.

A. fond                        B. curious                            C. afraid                       D. aware

2. The concept of “Customer First” should be _______ rooted in the mind of every shop-assistant.

A. tightly                            B. roughly                           C. widely                            D. firmly