A
In 2022, to preserve China’s wetlands, a law 1 (introduce) to restrict construction and prohibit harmful 2 (activity) such as overgrazing, overharvesting, and wastewater discharge in important national wetlands. Since the implementation (实施) of these measures, there 3 (be) an increase in the number of birds observed wintering in the nation’s wetlands. In February, the forestry bureau in Hunan province reported 72 species of waterbirds that spent the previous winter at Dongting Lake. Black-faced spoonbills, 4 rare and endangered species, were sighted at Dongting after a five-year absence.
B
A person’s memory is like a hall with many rooms, some visited frequently, others untouched 5 years. With age, sometimes, doors to certain memories become locked, requiring a special key 6 (access) them. These keys often come in the form of specific sensory inputs-something you see, smell, touch, taste, or hear. When a sensory input stimulates receptors, signals are sent along nerve cells to the brain, 7 they are processed and interpreted. The way our senses connect with our memories shows how complex our minds are. Knowing this helps us understand how our past affects how we see and act in the present.
C
Booking a flight-free holiday is effortless with Byway Travel. 8 (found) in 2020 by Cat Jones, a non-car owner whose family vacations annually by train and bike, Byway is the world’s first travel agent that offers 100% flight-free trips. The company excels in integrating the journey into the adventure itself, 9 (ensure) travelers discover the interesting places they would otherwise miss by flying over them. Presently, Byway specializes in flight-free excursions from the UK to Europe, with plans to expand its flight-free travel offerings 10 (global) in the future.