If you’re visiting Hangzhou, the one place you absolutely cannot miss is the West Lake. It     1    (locate) southwest of the city. It’s twice the size of New York City’s Central Park. West Lake’s natural beauty and     2    (history) relics have inspired Chinese poets and artists throughout time.

You would need a whole day to     3    (full) appreciate its beauty. The lake has 10 scenic sites, each with     4     story of its own.

You can start with the Leifeng Pagoda. Local legend has it that a white snake spirit was once imprisoned in the five-story, eight-sided pagoda by a monk,     5     tried to separate the immortal spirit from a mortal lover.

Afterwards, you can walk northward along the Su Causeway,     6    (construct) with the help of the great poet Su Shi about 1,000 years ago.

At the other end of the causeway, you will encounter a lotus pool and a winding courtyard. A culture show will be staged here     7     the tourists.     8    (make) sure to indulge yourself with a lakeside sunset before you leave. It’s here that the still waters of the lake meet up with the     9    (color) of the skies,     10    (create) an image you won’t soon forget.

With the help of a virtual reality headset and a tree-minute vide, people can step into the world of 76-year-old Harry,     1     lives with Midstate Alzheimer's disease(阿尔茨海默病).They can see how difficult everyday life can be-even doing something as simple     2    brushing the teeth. Harry mistakes toothpaste for a medicine, forgets to lock the door and is continually confused about what time it is.

The headset will allow users     3     (experience) the special disconnect and sensory impairments(感觉障碍)that a person,     4     (live) with Alzheimer's disease experiences, said Christy Littlefield,     5     education program specialist and social worker.

Littlefield hopes the virtual reality experience will help caregivers, family and     6     (friend) better understand what Alzheimer's patients go through.

"When we launched it, we received     7     (difference) reactions," Littefield said. " Some people     8     (be) sad because it let them remember loved ones, but it gave them a good understanding     9     what it's like to live with this disease."

"We hope people will think of     10     (they) own experience and be more patient when they deal with Alzheimer's patients," she added.

China is already at work on developing an even faster bullet train, which will be known     1     the CR 450, according to a national political adviser.

Zhao Hongwei, chief researcher of the China Academy of Railway Sciences, told China Daily the more     2     (advance) model, which has a top operating speed of 400 kilometers per hour and the potential     3     (reach) speed of up to 450 km/h, will soon be unveiled.

“By the time the CR450     4     (come) into operation, the national railway network will have been extended to 165,000 km, 50,000 km of     5     will be high-speed lines.” Zhao said. “We have no     6     (refer) from other countries to work from, so we have to be pioneers and find the solutions needed to build a train capable of a speed of 400 km/h.”

The noise level at this speed is capped (以……为上限) at 3 decibels higher than     7     on a train traveling at 350 km/h, which is as fast as current highspeed trains can run in China. Zhao also called for improving the standards system for railways and     8     (promote) international recognition of the system’s safety certification.

As     9     result of significant progress and major breakthroughs     10     (achieve) in a short period, China has the most comprehensive technology and the widest railway management experience in the world, according to China State Railway Group.