The nation’s supply of vaccine for the
impending flu{{U}} (19) {{/U}}took a big hit Thursday when Chiron Corp.
announced it had found tainted doses in its factory. The company said it will hold up shipment of about 50 million shots—about half the supply U.S. health{{U}} (20) {{/U}}had hoped to have on hand this year—while it{{U}} (21) {{/U}}what went wrong and determines whether the vaccine is safe to use. "There’s no product{{U}} (22) {{/U}}is going to go into the arms of the American public that will not have been{{U}} (23) {{/U}}to have met the highest standards of{{U}} (24) {{/U}}" chief executive Howard Pien said. Pie A. much B. half C. quarter D. rest 更多"· Read the article below about the "的相关试题: [单项选择] · Read the article below about the impending flu. · Choose the best word to fill each gap from A, B, C or D. · For each question (19-33), mark one letter (A, B, C or D) on your Answer Sheet.
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