一、Short conversationsDirections: In this section, you will hear 6 short conversations. All the conversations and the questions will be spoken only ONCE. Please decide which is the best answer from the four choices marked A, B, C and D.1.浏览器不支持音频
A. She didn't make every effort to prepare for the exam.
B. She didn't pass the physics exam.
C. She was not allowed to take the physics exam.
D. She did better in the previous exams.
45. For people who are in extremely poor health, heat can be
A. helpful
B. painful
C. stressful
D. deadly
44. Muscle pain in hot weather means that your body needs
A. less oxygen.
B. more exercise.
C. less sugar.
D. more water.
43. A heat wave is a period of time during which
A. the weather is much hotter than usual.
B. the weather is much better than usual.
C. the days are much longer than usual.
D. the nights are much longer than usual.