پاسخ تشریحی:
10. The doctor said his surgery did not **carry** any risk of any kind.
- گزینه صحیح a. carry است. عبارت "did not carry risk" به معنی "بدون خطر بودن" است.
11. Extra doses of the hormone caused the animals’ sensory **organs** to lose their natural functions.
- گزینه صحیح c. organs است. "sensory organs" به معنی اندامهای حسی است.
12. When three of the students started to show signs of boredom and not listening well, I got the **hint** that I should finish the lecture.
- گزینه صحیح d. hint است. "got the hint" به معنی متوجه اشاره شدن است.
13. Although in tropical areas plants tend to grow **upward** because of direct light, there are some types of them that spread on the ground.
- گزینه صحیح b. upward است. "grow upward" به معنی رشد به سمت بالا است.
14. No **wonder** the space has been a secret for human being for a long time since they could not fly into space until recently.
- گزینه صحیح d. wonder است. "No wonder" به معنی "تعجبی ندارد" است.
15. As the police always warn, everybody, especially women, must be ready to **defend** themselves against attackers in the street.
- گزینه صحیح a. defend است. "defend themselves" به معنی "دفاع از خود" است.