某男性患者，20岁，狂犬病疫苗注射后1天出现全身荨麻疹，3天后消退，第7天再注射该疫

阅读理解，根据上下文意思选择正确的答案。

      It is a nice day. John and Jim go to a nature park. There is a big forest in the park. There is a beautiful lake

near the forest and they can see some fishes in the lake. There is a bridge over the river in front of the lake. They

take some pictures on the bridge. They want to climb the mountains, but they have no time.

1. Are there any trees in the park?

A. Yes, there are.

B. No, there aren't.

2. What do they do on the bridge?

A. They go fishing.

B. They take some pictures.

3. Is there a lake near the forest?

A. Yes, there is.

B. No, there isn't.

4. Are there any fish in the lake?

A. Yes, there are.

B. No, there aren't.

5. Do John and Jim climb the mountains?

A. Yes, they do.

B. No, they don't.

溶血能使血清中何种物质测定值明显增高？（）

A.K

B.AST

C.ALT

D.LDH

E.Glu

涣焉无少凝滞于胸臆。 涣焉：（）。 凝滞：（）。

建设工程施工合同中，在合同生效后，由于价款或者报酬不明确的，应按照( )的市场价格履行。

A．工程所在地
B．施工单位所在地
C．建设单位所在地
D．订立合同所在地

将钢件加热，保温一定时间，随后连同炉子一起缓慢冷却，以获得较细而均匀的组织。这一过程称为（）。

A.淬火

B.退火

C.回火

D.正火