Passage Three Questions 23 to 25 are based on the passage yon have just heard.
A. The harms of using synthetic fertilizers.
B. The comparison between synthetic fertilizers and common fertilizers.
C. The emergent need to reduce and balance the use of synthetic fertilizers globally.
D. How the use of synthetic fertilizers affect the ecosystems and agricultural systems.
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Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
A. Make a profitable investment.
B. Get parts for the machine from Japan.
C. Buy a new washing machine.
D. Have the old washing machine fixed.
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D. Passage One Questions 16 to 18 are based on the passage you have just heard.
A. The relocation model can apply to all animals and plants.
B. The checkerspot butterflies can be saved by being moved to suitable new habitats.
C. Many plants and animals face a choice of move or die due to the changing ecosystem.
D. Proposing the relocation model results from the climate change that threatens species.
Passage Two Questions 19 to 22 are based on the passage you have just heard.
A. The invention of implantable device can completely cure cancer.
Biopsy also shares many advantages as implantable devices do.
C. Implantable device is used by removing a tissue sample from patients.
D. Implantable device is better than biopsy in its monitoring function of tumors.
不会出现在丈件头的标记是(70)。
A. ＜meta＞
B. ＜head＞……＜/head＞
C. ＜center＞……＜/center＞
D. ＜title＞……＜/title＞
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