第1题:
解析：第一句即提到“seriously injured in a truck crash”，说明他遭遇了交通事故。因此D选项正确。
第2题:
解析：文中说到：Once Nanofuse is used, new bone soon starts to form（一旦使用纳米融合，新骨很快就开始形成），说明它能使新骨头形成，因此C选项正确。
第3题:
解析：患者可以很快康复。文中说到：Nanofuse has a high rate of fusion, so patients are able to grow their own bones in a short period of time（Nanofuse具有很高的融合率，因此患者能够在短时间内生长自己的骨头），说明这个技术可以使患者很快康复，因此D选项符合题意。
原文：
Last week, doctors operated on a 19-year-old boy, Ellis, seriously injured in a truck crash. He fractured his spine in two places, and broke his arm. During the two-hour operation, the doctors used rods and screws to stabilize the fractures in Ellis’s spine. Then they coated the hardware with newly FDA approved biologic agent called Nanofuse to help grow bone around the braces.
Once Nanofuse is used, new bone soon starts to form. Nanofuse has a high rate of fusion, so patients are able to grow their own bones in a short period of time. Ellis was able to take his first step in the hospitals just one day after surgery. Six days after his accident, he returned home.
Questions 25 to 27 are based on the passage you’ve just heard.
25. What happened to Ellis?
26. What is the advantage of Nanofuse?
27. What can be said about Nanofuse?
