利用经营杠杆，可预测（）。A、保本点 B、目标利润 C、保利量 D、贡献毛益 E、目标成本

常温时，下列关于电解质溶液的叙述正确的是   （   ）

A．稀释pH=10的氨水，溶液中所有离子的浓度均降低

B．相同体积、相同浓度的盐酸与醋酸溶液，分别与同浓度的氢氧化钠溶液恰好完全反应时，醋酸消耗的氢氧化钠溶液体积多

C．pH=11的NaOH溶液和pH=11的氨水分别稀释100倍后的pH前者一定小于后者

D．分别中和pH与体积均相同的硫酸和醋酸，硫酸消耗氢氧化钠的物质的量多

患者左眼睑下垂，眼球外斜视，右侧中枢性偏瘫，病变位于

A．左侧脑桥

B．右侧脑桥

C．左侧中脑

D．右侧中脑

E．左侧脑桥及中脑

古老的民族创造了灿烂的上古文明，给后人留下了丰厚的文化遗产。请你将所给的历史图片与图书作相应的连接。

上古文明	文化遗产
1、	A、
2、	B、
3、	C、
4、	D、

以下哪个行业不是我国古代主要的手工行业之一。（）

A、丝织业

B、造船业

C、陶瓷业

D、盐业

One day while a girl was walking in the woods she found two starving songbirds. She took them home and put them in a small (16) . She cared for them and felt great love for them.
Once the (17) and per of the two birds flew from the cage. Therefore, (18) he flew close, she grasped him (19) . She felt glad, but suddenly she felt the bird go limp. She opened her hand and (20) in horror at the dead bird.
She noticed the other bird moving back and forth on the edge of the cage. She could feel his great need for (21) . She lifted him from the cage and (22) him softly into the air. The bird circled once, twice, three times.
The girl watched delightedly at the bird’s enjoyment. Her heart was no longer (23) with her loss. Suddenly the bird flew closer and (24) softly on her shoulder. It sang the sweetest melody that she had ever heard.
The fastest way to (25) love is to hold on it too tightly, while the best way to keep love is to give it WINGS!

Ⅱ．完型填空/Cloze

A．landed

B．sat

C．slept

D．stood