.Manufacturers should have professional productivity and technical knowledge to
题型：不详难度：来源：
.Manufacturers should have professional productivity and technical knowledge to ______ the quality of the products. | A．predict | B．promise | C．guarantee | D．determine |
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答案
| C |
解析
| 本题考查动词辨析。predict预测；promise许诺；guarantee保证；determine决定。根据句意为保证产品的质量，故选C。 |
举一反三
After having some alcohol, drivers tend to speed when passing streets with less people.| A．pull up | B．put up | C．rise up | D．pick up |
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When you are confused about some words in reading, you can ______ the dictionary.| A．have a look at | B．look up | C．check | D．refer to |
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