（2018·江苏）By boat is the only way to get here, which is _______ we arrived.
A.where B.when
C.why D.how
—Chinese women's volleyball team proves that with hardships ______great success.
—Absolutely! Opportunities favor the prepared mind.
A.comes B.is coming C.will come D.are coming
(2018·北京) In today’s information age, the loss of data _________ cause serious problems for a company.
A.need B.should
C.can D.must
—This new dress code ______ everyone at school, teachers and students alike.
—Yes, there are no exceptions.
A.contributes to B.subscribes to C.adds to D.applies to
We didn't travel much during the holiday, ______ because of the tight budget, but also because of the huge crowds.
A.in turn B.in vain C.in part D.in effect
Not well prepared for this lecture, he had to____his memory by looking at his notes.
A.refresh B.relax C.relieve D.register
