超星 - UNIT 1 Structure - 查题吧

多选题

Cardiovascular disorders are conditions of the heart and blood vessels,consist mainly of coronary heart disease (CHD), or coronary artery disease (CAD), hypertension, arrhythmia and heart failure.

A. what
B. that
C. whether
D. which

多选题

we eat and the amount of exercisewe get can affect our cardiovascular system.

A. what，what,
B. that,what
C. whether,which
D. what,which

多选题

the immune system does not function properly, a number of diseases can occur.

A. when
B. if
C. whether
D. which

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