单选题 It is reported that a new system will be ______ for earthquake early warning and disaster relief.

单选题 With the business concept of "speed, quality and win-win", this company ______ itself to creating the utmost value for their customers.

单选题 The ______ of earthquakes varies from place to place, depending mostly on the distance from the center of the earthquake.

单选题 The design is wonderful and people are wondering how the designer ______ all these great ideas.

单选题 We would like to recommend this ______ shipping service to you because it protects shippers from lost, stolen or damaged packages.

单选题 To have sustainable development, we should never use forest resources ______.

单选题 The new ______ are facing some difficult problems, so they decide to seek professional help.

单选题 In the art exhibition, Malone noticed that his little son ______ the spirit of the special painting.