（）是船舶事故的一种。 A.卷入紧迫局面 B.船舶淹沉 C.货物移动 D.船舶碰触海

下列字的注音完全正确的一组是[ ]

A．瞥见（piē）    高亢（kàng） 锲而不舍（qì）

B．冗繁（rǒng） 称职（chèn） 敷衍塞责（sè）

C．脚踝（huái） 聒噪（tiān）   深恶痛疾（wù）

D．提防（tí）     和面（huó）   生拖死拽（zhuài）

The light in the office is off. The teacher _____ be there now. [ ]

A. may

B. can't

C. mustn't

D. must

乡（镇）、村企业的土地使用权不得 单独 抵押。以乡（镇）、村企业的厂房等建筑物抵押的，其占用范围内的 同时抵押。

Your project has a number of different work results. You are collecting information about these work results such as what costs have been incurred or committed and which deliverables have been completed and which remain outstanding. You will use this information in which of the following processes

A) Direct and manage project execution.
B) Perform integrated change control.
C) Reprot performance.
D) Verify scope.

影响氢型离子交换软水的主要因素是什么？