Which of the followings are early changes of COVID-19 CT? A: Multiple small patches and interstitial changes, especially in the periphery of the lung. B: Multiple small patches and interstitial changes, especially in the inner region of the lung. C: Diffuse ground glass opacifications, especially in the periphery of the lung. D: Diffuse ground glass opacifications, especially in the inner region of the lung. E: Lung consolidation and pleural effusion.

________is made of__________. A: Glass; glasses B: A glass; glass C: Glasses; glass D: A glass; glasses

_____is made of______. A: Glass, glasses B: A glass, glass C: A glass, glasses D: Glasses, glasses

‏The most expensive glass is .‏ A: Soda-lime B: Borosilicate glass C: Lead-alkali silica glass D: Fused silica glass

The most expensive glass is . A: Soda-lime B: Borosilicate glass C: Lead-alkali silica glass D: Fused silica glass

He was severely criticized ________that he didn’t work hard. A: for the ground B: on the ground C: in the ground D: under the ground

There are () on the table. A: a glass of wate B: a glass of milk C: two glasses of wate D: a glass of oranges

Which types of discrimination are illegal in the UK? A: Discrimination on ground of sex B: Discrimination on ground of race C: Discrimination on ground of age D: Discrimination on ground of religious beliefs E: Discrimination on ground of sexual orientation

Glass can be divided into oxide glass and non-oxide glass according to its main components. A: 正确 B: 错误

Which glass surface treatment process is used for the glass curtain wall shown in the following picture?[img=825x511]1803a3150fd8b4e.jpg[/img] A: Chemical polishing. B: Glass painting. C: Glass surface coating. D: Glass surface coloring.