【C3】A．minorB．secondaryC．ordinaryD．inferior

【C13】A．healthyB．junkC．ordinaryD．organic

【C7】A．minorB．trivialC．predominantD．inferior

【C15】A．minorB．reasonableC．majorD．unusual

【C8】A．basicB．secondaryC．formalD．primary

【C8】A．superior toB．inferior toC．superior overD．inferior than

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