LRIT的SOLAS公约修正案适用于（）A、300总吨及以上的容船 B、货船 C、移动式

环氧乙烷吸收解析系统紧急停车，可造成（）。

A、氧化停车

B、脱碳系统停车

C、K101停车

D、水合三效停车

补全对话（5小题，每小题2分，共10分）

A：Hello, Charles.

B:  Hello, Claire. Nice to see you here. How are you?

A: Fine, thanks, Where are you going for your summer holidays, Clarles?

B：小题1:                       . I’m going to stay with my uncle for three weeks.

A: You certainly are lucky. How are you going there?

B: By air, of course. 小题2:                         ?

A: I’m going to visit my grandparents in a small village．I go there every summer．

B：Sounds great! I’ve never been to the countryside．What do you do there?

A：I do many things·小题3:                         .·

B：It’s fantastic! Are you going there alone?

A：N0．小题4:                     ．By the way, what’s John going to do this summer?

B：He says he’s going to the mountains with his parents．Well，I’ve got to 90．Have fun，C1aire．

A：小题5:                        ．I’11 see you in September．

一台通用型注射机主要由（）三大部分组成。

A、注射系统

B、合模系统

C、顶出装置

D、液压传动及电气控制系统

为了保证事务并发控制时数据库的一致性，给数据项加锁有两种方式，即共享锁和______。

哥伦布远航美洲前的印第安文明主要分布在哪些区域请对各区域略做说明。