[多选]
Which three statements are true？（）

A . Compilation fails.
B . The code compiles and the output is 2.
C . If lines 16， 17 and 18 were removed， compilation would fail.
D . If lines 24， 25 and 26 were removed， compilation would fail.
E . If lines 16， 17 and 18 were removed， the code would compile and the output would be 2.
F . If lines 24， 25 and 26 were removed， the code would compile and the output would be 1.

When you use the Oracle Net Configuration Assistant to specify the naming method， which file is updated？（） INIT.ORA。 SQLNET.ORA。 LISTENER.ORA。 TNSNAMES.ORA。根据JG135-2000《杂物电梯》规定，机房或机罩内就在（）安装一个停止开关，用来停止电梯并使电梯保持停止状态，并应保证该开关的停止位置是不会弄错的，该开关是安全触点。靠近入口处。靠近电动机。靠近控制屏。点火提前机构有（）、离心式和（）三种。（）对监理工程师签发的工程款支付给予有限授权，并采取工程款支付的逐级审核方式项目法人。施工单位。监理工程师。设计单位。形成水化物的主要条件是什么？

Which three statements are true？（）

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[多选] Which three statements are true？（）

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[多选]
Which three statements are true？（）