A．ordinaryB．sensitiveC．effectiveD．careful

【C8】A．sufficientB．efficientC．effectiveD．sufficiency

【C7】A．delicateB．sensitiveC．tenderD．subtle

【C6】A．ordinaryB．normalC．pervasiveD．universal

【C2】A．ordinaryB．commonC．plainD．usual

【C10】A．effectiveB．sensitiveC．ordinaryD．careful

【C5】A．accustomedB．sensitiveC．responsibleD．indifferent