2. 外语
  3. ______the negative feedback loop works properly, thermoregulation prevents small changes in body temperature from becoming too l

______the negative feedback loop works properly, thermoregulation prevents small changes in body temperature from becoming too l

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问题 ______the negative feedback loop works properly, thermoregulation prevents small changes in body temperature from becoming too large.
选项 A、That provided
B、Provided that
C、If that provided
D、If it provides
答案B
解析 Provided that is the subordinator in this present real conditional sentence.
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