题目内容

手术前不需要预防性使用抗生素的是

A. 天性心脏病手术
B. 腺癌根治术
C. 移植术
D. 状腺腺瘤切除术
E. 张力疝修补术

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Credit cards have a(n) __________ on the amount of money you can spend with them.

Positive online reviews can change peoples __________ toward a certain product and __________ them to buy it.

A common __________ in advertisements is that a product is effective.

This product contains only __________ ingredients, so it's __________ good for your health.

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