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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}} (21) {{/U}}had hoped to have on hand this year—while it{{U}} (22) {{/U}}what went wrong and determines whether the vaccine is safe to use. "There’s no product that 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. Pien said t A. A.health B.safety C.privacy D.quality 更多"{{B}}PART FOUR{{/B}}{{B}} ·Read t"的相关试题: [填空题]{{B}}PART FOUR{{/B}} {{B}} ·Read the following text. ·Choose the best word to fill each gap. ·For each question (19—33) mark one letter (A, B, C, D) on your answer sheet.{{/B}}
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