识别超声伪像的临床意义,下列哪项是错误的()。
A.避免误诊
B.避免漏诊
C.避免误诊和漏诊
D.可以提示某些病变或异常
E.只有理论价值,无实际意义
参考答案:E
选择括号内恰当的单词填入空白处, 使句意完整、正确。
小题1:—How long can I ( return / keep ) the book? —Two weeks.
小题2:It will be snowy tomorrow. The radio says it will be very ( hot / cold ).
小题3:—His grandfather ( took away / passed away ) last night. —I’m sorry to hear that.
小题4:It costs ( too much / much too ) to deal with the waste.
小题5:He used to ( play / playing ) soccer, but now he hates it.
婴儿运动空间的创设对促进()等十分有利。
A、运动技能
B、语言能力
C、精细动作
D、美感