9700/13 Biology May Jun 2021 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
شهریور
2021
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه

پیش نمایش صفحه اول فایل
Many doctors now restrict prescriptions for some antibiotics. They keep the most effective antibiotics in reserve for the most serious outbreaks of treatable diseases.
What is the main reason for this?