【C2】A．fashionB．philosophyC．platformD．settlement

Her speciality is heart surgery.A．regionB．siteC．platformD．field

【C20】A．spotB．stageC．platformD．screen

What is the authors attitude towards the settlement？A．hopefulB．skepticalC．optimisticD．not

The sports facilities include（).A、tennis courtsB、football fieldC、platformD、stadium

Items on （)are always sold well.A、fashionB、trendC、discountD、shelves

【C3】A．locationB．postureC．sceneD．settlement