Morphemes that represent "tense", "number", "gender", "case" and so forth are called__________ morphemes．
A.inflectionalB.freeC.boundD.derivational

Which teaching combines form-focused teaching with communication-focused teaching __________ ?
A.PPPB.TBLTC.CLTD.TPR

The process of perceiving others is rarely translated(to ourselves or others) into cold,objective terms．"She was 5 feet 8 inches tall, had fair hair, and wore a colored skirt．" More often, we try to get inside the other person to pinpoint his or her attitudes, emotions, motivations,abilities, ideas, and characters． Furthermore, we sometimes behave as if we can accomplish this difficult job very quickly--perhaps with a two-second glance．We try to obtain information about others in many ways． Berger suggests several methods for reducing uncertainties about others; who are known to you so you can compare the observed person's behavior with the known others' behavior, observing a person in a situation where social behavior is relatively unrestrained or where a wide variety of behavioral responses are called for,deliberately structuring the physical or social environment so as to observe the person's responses to specific stimuli, asking people who have had or have frequent contact with the person about himor her, and using various strategies in face-to-face interaction to uncover information about another person--question, self-disclosures, and so on．Getting to know someone is a never-ending task, largely because people are constantlychanging and the methods we use to obtain information are often imprecise． You may have known someone for ten years and still know very little about him． If we accept the idea that we won't ever fully know another person, it enables us to deal more easily with those things that get in the way of accurate knowledge such as secrets and deceptions． It will also keep us from being too surprised or shocked by seemingly inconsistent behavior． Ironically, those things that keep us from knowing another person too well (e． g． secrets and deceptions) may be just as important to the development of a satisfying relationship as those things that enable us to obtain accurate knowledge about a person (e． g． disclosures and truthful statement)．?We may have known someone for ten years and still know very little about him because__________．
A.we don't accept the idea that we might never fully know another personB.we often get information in a casual and inexact wayC.we pay more attention to other people's motivations and emotionsD.we often have face-to-face conversation with him

Some teachers teach reading by introducing new vocabulary and structure first and then going over the text sentence by sentence and paragraph by paragraph with the students． This way is known as__________．
A.top-down modelB.bottom-up modelC.interactive modelD.integrative model

Our__________ sensitivity decreases with age． By age 60, most people have lost 40 percent of their ability to smell and 50 percent of their taste buds．
A.sensibleB.senselessC.sensitiveD.sensory

Our life has but a short__________．
A.durationB.spanC.episodeD.range