瘰疬相当于西医学的()
A. 颈部淋巴结炎
B. 颈部化脓性淋巴结炎
C. 颈部淋巴结核
D. 颈部淋巴管炎
E. 急性淋巴结炎
成人感染CMV后多呈()
A. 急性感染
B. 慢性感染
C. 不典型感染
D. 隐性感染
E. 显性感染
当用于沥青混合料的粗集料其某一方向的尺寸超过所属粒级的2.4倍时,就可判断该颗粒为针状颗粒。()
A. 正确
B. 错误
What do you find difficult in learning English?()
A. Listening and speaking.
B. Don‘t be afraid of difficulties.
C. Learning English is useful.
Don‘t be disappointed.