单项选择题

Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage.

SIGG’s trendy aluminum water bottles have scored a lot of free advertising in recent years. SIGG has been (67) for more than 100 years. Much of its (68) can be (69) to research publicized in 2007 about BPA’s (70) safety. The Swiss brand became the must-have as consumers rushed to find (71) to plastic bottles that (72) bisphenol-A (BPA) , a (73) chemical used to harden plastics, which some studies have linked to diabetes, premature puberty in girls and reduced sperm count in men. SIGG was one of the companies (74) profit from all the bad (75) over BPA. SIGG’s reusable aluminum bottles seemed the perfect solution both (76) the health and the environment. But many consumers are feeling (77) now that the company has been disclosed for failing to tell the public that its bottles were not (78) from BPA, at least not the ones that were manufactured before August 2008. While there’s no (79) showing the first-generation SIGGs did in fact contain BPA, there’s still plenty of complaining at the company’s lack of (80) . The news is (81) troubling since the company internally acknowledged the chemical’s safety problem as early (82) 2006, when it quietly decided to formulate a new, BPA- free liner. To placate the masses, SIGG has (83) to exchange those older, BPA-laden bottles (84) new ones through Oct. 31, but people are still feeling betrayed. Like many parents, I know, a couple years ago I tossed all the baby bottles I had-and any (85) sippers(虹吸瓶) too—and invested in SIGGs, which cost about $20 each (86) to find out we were going in the wrong direction.