考博考试

【单选题】According to the explanation of the scientific rule of experiment in the passage, "hard-and-fast" means experiment procedures ______.
A. are difficult and quick to follow
B．must be carried out in a strict and quick way
C．must be followed strictly to avoid false and loose results
D．hard and unreasonable for scientists to observe
网考网参考答案：C
网考网解析：
文中对其的解释“a problem set up and solved by one scientist must be tested by other scientists，under identical conditions and reaching identical results”与C“必须严格遵循，以免出现假的和不严谨(不确切)的结果”相符。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>