Medical techniques are constantly being refined. 该句中的refined可以用下列哪个单词替换？
A: acquired
B: improved
C: offered
D: obtained
A: acquired
B: improved
C: offered
D: obtained
举一反三
- The exquisite and refined techniques for making a cheongsam mainly include ______.
- “take a message”中的“take”可以用下列哪个单词替换？
- A．mineralB．refinedC．definedD．fresh A: mineral B: refined C: defined D: fresh
- A．so-calledB．registeredC．refinedD．classical A: so-called B: registered C: refined D: classical
- The subject research often appears abnormal phenomena or results that are contrary to the expected goal, and the main reasons are (). A: The plan does not match the actual B: The research conditions are not met C: Experimental techniques are not refined D: Uncontrollable factors