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【单选题】下述妊娠母体的变化,错误的-项是( )
A.
子宫体积和容量逐渐增大
B.
乳腺和乳腺泡增生、乳房增大
C.
子宫下段形成,临产时可达7~10cm
D.
妊娠期血容量增加至32~34周达高峰
E.
由于子宫在左旋,故左侧肾盂肾炎更为常见
【单选题】B Hip-hop dancing(街舞) is popular with many young people today． They like it because they can invent their own moves． They use this dance to show their love for life． It also shows that they feel good ...
A.
it has a history of more than 20 years
B.
it first began in the U． S．
C.
they can invent their own moves
D.
many young black people often dance it