有哪些投射方向？（）A、正光 B、反光 C、前测光 D、测光

读小短文，然后做题。

      There are many books on the shelves in my home. Some are my father's, and some are my mother's. And

some are mine. We all like books very much. We learn a lot from books. They tell us what is good and what is

bad. Sometimes I give some books to my classmates. They like to read them, too. We often say, " Books are

our good friends."

1. What're on the shelves?  There are _____________ books.

2. Who do you sometimes give the books to?  Sometimes I give books to my _____________.

3. Do your classmates like to read them?  Yes, _____________ _____________.

4. What do we often say?  We often say, " _____________ are our good _____________."

5. Whose books are they?  They are _______________.

A. my father's

B. my mother's

C. mine

D. A, B and C

6. We can learn something new from _______________.

A. the books

B. my mother

C. my father

D. A, B and C

以下关于设计功能测试用例的叙述，（38）是不正确的。

A．尽量用80％测试用例覆盖20％的核心业务模块

B．功能测试用例中不包括功能的依从性测试用例

C．功能测试用例中包括业务流，也包括测试数据

D．功能测试用例的设计应注意缺陷群集现象

怎样选择电力变压器的容量？

“不学无术的教师，消极地指导别人的人，是没有躯体的人影，是无雨的云，无水的源，无光的灯，因而是空洞无物的。”这段名言出自（）

A.夸美纽斯

B.蔡元培

C.卢梭

D.柏拉图

热解过程是（）。

A.放热的

B.吸热的

C.不一定

D.既不放热也不吸热