单选题My mother says a teaching machine has to be ______ to fit the mind of each boy and girl it teaches and that each kid has to be taught differently. A. modified B. considered C. adjusted D. remanufactured
单选题Some—such as liquid oxygen—are so cold that they Uembrittle/U many constructional materials and evaporate continuously if not refrigerated.
单选题Trial and error
are
the source of our knowledge.
单选题The feeling of competition among the students in all the classrooms where the test was going on was noticeable to everyone. A. discord B. discovery C. rivalry D. cooperation
单选题Because alcohol is a solvent, it is a component of many liquid medicines.
单选题According to the Bureau of the Census, what is an urban area?
单选题The streets of the Dual Springs neighborhood, a migrant-worker hub in northern Beijing, are ______ . That's no surprise; more than 13,000 people have been quarantined in China's capital to halt the insidious spread of severe acute respiratory syndrome (SARS). A. deserted B. vacated C. unlived in D. removed
单选题When he realized he had been
suggested
to sign the contract by intrigue, he threatened to start legal proceedings to cancel the agreement.
单选题He has made up his mind to
relinquish
all claim to the money.
单选题An overwhelming richness of vegetation may have caused the level of oxygen, to rise above today's ______ , with a corresponding depletion of carbon dioxide.
单选题Each year, in a never-ending cycle of death and
rebirth
, the rains sweep across southern Asia.
单选题{{U}}Virtually{{/U}} every theory has been concerned with either the structure or the function of the language.
单选题It seems that the president and the premier {{U}}like each other{{/U}} in
many ways, and on many issues.
A. resemble each other
B. are identical with each other
C. are similar to each other
D. take to each other
单选题It is understandable that though adolescent maturational and developmental states occur in an orderly sequence, their timing ______ with regard to onset and duration.
单选题The president brushed all this aside {{U}}as if it was like{{/U}} cobweb,
ignoring it, {{U}}and to answer only extreme necessity when he was compelled to
answer.{{/U}}
A. as if it was... and to answer only extreme necessity he felt compelled to
answer it.
B. as it seemed like a cobweb... would answer only extreme necessity he was
compelled to answer.
C. as though it were... answering only extreme necessity he was compelled to
answer.
D. as it would be... to answer only extreme necessity he was compelled to
answer.
单选题He aimed at finding some workable ______ with a man who was a celebrity not only in the inward-reflecting world of Oxford but in the larger world outside.
单选题More and more vehicles using cheap fuel, declared scientists at the conference, have left Bangkok's children with body lead levels the world highest. A．in the world highest B．in the world's highest C．among the world's highest D．among the highest of world
单选题Because it is not a serious problem,
we are not necessary
to take strict measures against the student.
单选题By "a system of built-in obsolescence" the author means ______.
单选题Most people frown on sufferings, though a ______ enjoys suffering.
A. masochist
B. philatelist
C. misanthropist
D. agnostics