使用手动电钻时，要求要戴胶皮手套，穿胶布鞋；在潮湿的地方工作时，必须站在橡皮垫或干燥

补全对话。

B= Barry

T= Taylor

B: Morning!You are back.How was your trip to China?

T: (1)S_____! We visited a high school called Lian Tang No.1 Middle School, in Nanchang County,

    Jiangxi (2)P_____

B: Tell me some details!How is the campus like?

T: Well, as its name suggests, lotus and lotus related culture are the theme of the campus. A lake with

    beautiful lotus perches amid the campus. You can see (3)v_____ of flowers and trees everywhere.

    The (4)s_____ are really beautiful.

B: I see! Then how about the students there?

T: In fact, communication with the students there is an important part of our visit. As I know, a majority

    of the students are (5)o_____ about their future. They firmly believe they can achieve a bright future.

    Under their educational system, college entrance examination is (6)v_____ to high school students, which

    determines the college they can enter. Thus everyone is trying their best to (7)a_____ knowledge hoping

    to do a good job in the examination.

B: Yes! I have always heard that Chinese students are pretty diligent.

T: Exactly! However, sometimes, some students also feel the (8)p_____ of the study.

B: I can understand. After all, study is not an easy task. So how are the teachers there?

T: As I could see, they are responsible. Although they are very (9)s_____ with the students in their study, 

    they actually treat them as friends.

B: It seems that you have a really good (10)i_____ on the school, hah?

T: That's true.

胆囊结石最常见的并发症是

A．胆道蛔虫症
B．急性梗阻性化脓性胆管炎
C．肝脓肿
D．急性水肿型胰腺炎
E．急性化脓性胆囊炎

二尖瓣瓣口面积小于以下哪一种即可产生临床症状（）

A.4cm²

B.2.5cm²

C.1.5cm²

D.1.0cm²

E.3cm²

某站A文件每天本站气压有24次定时值和日最高、最低值及出现时间，海平面气压有4次定时值，则A文件中气压的方式位=（）。

A.6

B.D

C.0

D.B

E.C

F.8

TCR、BCR可变区基因重排的机制是

A．7-12-9与7-12-9环出
B．内含子之间环出
C．7-12-9与9-23-7环出
D．7-12-9与7-23-9环出
E．7-23-9与7-23-9环出