23.In Papousek’s experiment babies make learned movements of the head in order to ().

89.The passage is mainly about ().

88.What is the implication of the words on the bus wall

87.The word darted" in paragraph 5 can be best replaced by ()."

86.In Mark＇s opinion , ().

85.It is known from the passage that ().

84.His intelligence and experience will enable him to () the complicated situation.

83.Within two weeks of arrival, all foreigners had to () with the local police.

82.Sometimes it is very difficult to () some of the English words. Even the native speaker can not help.

81.Keep in () that all people are different and some may progress faster than others.

80.I have not heard anything from him since his ().