下载APP
【单选题】
悬浮聚合物的粒径为（ ）。
A.
0.02～0.1µm
B.
0.05～2mm
C.
0.05～0.2mm
D.
0.05～0.2µm
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Two Questions 66 to 70 are based on the following passage: If an agreement signed in Germany works out, travelers of this Asian city may one day be able to move from the downtown area to its n...
A.
It is difficult to see fingerprints with human eyes.
B.
There are special ways to recover a suspect’s fingerprints.
C.
Even a small part of a fingerprint is useful for identification
D.
Suspects usually try to avoid leaving their fingerprints at the scene.