1.
The fourth round of the World Endure Championship was staged in Bobbio,north-west Italy,on Sunday.
星期天,世界摩托车耐力锦标赛第4轮比赛在意大利西北部的波比奥举行。
2.
Mechanical vibration of non-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 4: Gas turbine sets
GB/T11348.4-1999旋转机械转轴径向振动的测量和评定第4部分：燃气轮机组
3.
He is due to be operated on at once.
听第4段对话，回答第4至第6小题。
4.
Article 4 of the Agreement on TRIPS.
《trips协定》第4条。
5.
Article IV Structure of the WTO
第4条 wto的结构
6.
" Agricultural wheeled tractors--Rear-mounted three-point linkage--Part 1: Categories 1,2,3 and 4"
GB/T1593.1-1996农业轮式拖拉机后置式三点悬挂装置第1部分:1、2、3和4类
7.
Yan had her chances of leveling the match when she was 5-4 ahead and serving for the second set.
当晏紫以5:4领先的时候有机会参加资格赛，她也在全心全意地备战第二轮的比赛。
8.
Drive axle (4WD), tube axle (2WD)
驱动轴（4轮驱动），管轴（2轮驱动）
9.
first inning
第一轮,第一次发球权
10.
Right, right. Thanks. We'll be in touch.
听第2段对话，回答第3和第4小题。
11.
I'm much more relaxed now and once I get organized, it won't be so difficult.
听第4段对话，回答第8至第10小题。
12.
second round (of U.S.-Soviet strategic arms limitation talks)
第二轮（美苏第二轮限制战略武器会谈）
13.
Any degree of flaking that cannot be classified by classification 4.
大于第4级的严重剥落。
14.
4 units from the first purchase
第一次购货的4个单位
15.
Type 4 intermediary or representative
第4类中介人或代表
16.
C. Laura doesn't like music at all.
听第4段对话，填空。
17.
C. our beautiful bridge
听第4段讲话，填空。
18.
Article 4 Independent Review Procedures
第4条 独立审查程序