下列果树的芽具有早熟性的是（）A.葡萄 B.苹果 C.梨 D.山楂

单糖浆的浓度(g/ml)是

A．60%

B．65%

C．75%

D．80%

E．85%

Now in the market there are too many oranges, making the prices down, so I suggest _____.

A．you’d better turn to do other business

B．you would rather turn to other business

C．you turning to doing other business="your" turning to doing

D．you ought to turn to selling other fruits

左室舒张期负荷突然明显加重见于（）

A.二尖瓣狭窄伴快速房颤：

B.阵发性室上性心动过速

C.急性广泛心肌梗死

D.输液过多过快

E.肺动脉高压

女性患者，31岁，出现疲倦、怕冷、嗜睡、抑郁、双下肢无力4个月，并体重增加，查FT₃、FT₄低，该患者不可能出现下列哪项情况

A．血清TSH正常
B．血清TSH降低
C．血清TSH升高
D．碘摄取率升高
E．血清TPOAb和TgAb阴性

图是《新航路开辟》图，在图中，哥伦布船队的航行路线是（）

A.①

B.②

C.③

D.④