单选题 To survive in the intense trade competition between countries, we must ______ the qualities and varieties of products we make to the world market demand.

单选题 We can't ______ the suspects to be guilty simply because they've decided to remain silent.

单选题 If you want to set up a company, you must ______ with the regulations laid down by the authorities.

单选题 If you promise you won't ______ my name, I will tell you the true story.

单选题 If cancer is spotted earlier, there is a high chance of ______.

单选题 The role of scientists is to ______ and describe the world, not to try to control it.

单选题 The manager gave one of the salesgirls an accusing look for her ______ attitude toward customers.

单选题 People who have difficulty when communicating face-to-face can become ______ and courteous when online.