下列哪种标本分离布鲁菌阳性率最高()A．血液 B．粪便 C．尿液 D．痰 E．骨髓

The boys  knock ___Uncle Wang’s door and shout “trick or treat”.

He gives them some candy___a treat.[ ]

A. on; as          

B. on; of        

C. in; as        

D. in; of

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B ？（）
(1) 5 minutes ago, cyclist A was 200 meters behind cyclist B.
(2) Cyclist A is moving 25% faster than cyclist B.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

工程资料台帐中的设计文件台帐应当记录（）。

A.设计方案

B.设计文件

C.设计图纸

D.设计交底资料

E.设计审查及回复

什么是图书馆业务辅导工作？

The PM and the project team have completed decomposition and have verified scope, when the marking department makes a minor change to the product functionality to improve its appeal to the end customer. The PM and the project team ______ .

A) refuses to accept the change since the scope has been verified
B) modifies the WBS and the decomposition
C) accepts the change and incorporates it into the WBS, modifying the budget and the schedule and assigning accountability to the marking team
D) proceeds per the change process