D．spoil a child’s personalty

18．Jay Belsky implies that the study of child care．

    A．was never carried out in the past

    B．was not much done in detail in the past

    C．was greatly ignored by psychologists and researchers

    D．was  interesting，but  very  difficult  to  make  discovery

19．The main difference between the investigation and the previous ones is that．

    A．the researchers7C stared  with only one month old infants

    B．the observers could rate the quality of child care effofts and analyzed them soon

    C．the researchers weft able to give the questionnaires to mothers in their homes

D．video equipment enabled researchers to observe what was happening direct

20．Which of the following is not TRUE of the investigation?

    A．It Will last at least 7 years．

    B．Cooperation from the mothers is also necessary.

    C．some independent observers play a part．

    D．

 << 上一页  [21] [22] [23] [24] [25] [26] [27] [28] [29] [30]  ... 下一页  >>