ANUG的临床表现下列哪一项不正确（）。 A.牙龈疼痛、出血明显

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问题单项选择题

ANUG的临床表现下列哪一项不正确（）。

A.牙龈疼痛、出血明显

B.牙间龈 * * 变平

C.牙槽骨水平吸收

D.腐败性口臭

E.涂片可见梭形杆菌和螺旋体

答案

参考答案：C

填空题

Choose. 选词填空。

1. either too and but

A. Tom likes oranges bananas. he doesn't like grapes.

Jenny doesn't like grapes, .

B. I like fish. My sister likes fish, . my mother doesn't like fish.

2. in the morning in the afternoon in the evening

A. We have breakfast at 7:00 .

B. We have lunch at 12:00 .

C. We go home at 4:30 .

判断题

施工现场临时用电工程中，因漏电保护需要，将电气设备正常情况下不带电的金属外壳和机械设备的金属构件接地。