下列物质中含有氢分子的是（ ） A．H2SO4 B．H2O2 C．H2S D．H

读下边某地景观图，根据图中景观回答1—2题：

1．该地最适宜种植 [ ]

A．甜菜

B．苹果

C．小麦

D．水稻

2．该地的耕地类型是[ ]

A．水田

B．旱地

C．林地

D．草地

在photoshop中，可以使用（）对话框来调整图像的大小。

Duty is an act or a course of action that people （） you to take by social customs, law or religion.

A. persuade

B. request

C. instruct

D. expect

男性，28岁，病毒性心肌炎，病史1个月。Holter监测结果：夜间出现间歇性二度Ⅰ型房室传导阻滞，心率52次／分，此时的处理是（）

A.人工心脏起搏

B.异丙肾上腺素静脉点滴

C.继续观察

D.激素治疗

E.干扰素治疗

Decomposition is the subdivision of project deliverables into smaller, more manageable components until the work and deliverables are defined at the work package level. This is a valuable tool for define scope. However, decomposition may not be possible for a deliverable or subproject if:

A．The deliverable or subproject is very complicate

B．The deliverable or subproject is already being produce

C．The deliverable or subproject will be accomplished after a very long time ( far into the futu

D．None of the above: Decomposition of deliverables is always possibl