全真道三大祖庭是（）。 A.草楼观 B.龙虎山天师府 C.重阳宫 D.永乐宫 E.白

The bus was due to __________ at 5 p. m.，but it arrived one hour late due to __________ by the heavy fog.

A．arrive; be held up

B．arrive; being held up

C．arriving; be held up

D．having arrived; having been held up

My parents always ________ the best in me and encourage（鼓励） me.

A．care about

B．bring out

C．help out

D．have fun

皮肤带蒂移植皮术后2天，发热37.8℃，白细胞增高，食欲不振属于（）

A.超急性排斥反应

B.急性排斥反应

C.慢性排斥反应

D.正常手术反应

E.不属手术反应

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腹膜后肿瘤特点（）①肿瘤位置深，常紧贴脊柱前缘②肿瘤常压迫腹膜后大血管或将其顶起移位③肿瘤形态常多形性④肿瘤不随呼吸上下移动⑤肿瘤位置常较固定，不随体位改变而移动，不易推动

A.②③⑤

B.①②⑤

C.①②④

D.以上各项均是