As he had a heart attack, he was told that hecontinue the work.
A. needn't
B. may not
C. mustn't
D. can't
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Ilike to make a suggestion.
A. could
B. would
C. must
D. might
I know things are hard with you, but I believe youget over the difficulties.
A. can
B. may
C. must
D. ought
心血管系统中进行物质交换的场所是()
A. 心
B. 动脉
C. 静脉
D. 毛细血管
“85%的学生能够完成1分钟跳绳100次”,这一体育教学目标属于
A. 运动参与目标
B. 运动技能目标
C. 身体健康目标
D. 心理健康与社会适应目标