IC卡电话的计费信息是由（）送出。 A.交换系统 B.IC卡及本身 C.人工计费

读一读，判断正(√)误(×)。

      In north China there are usually four seasons, but in some places in the world there are only two seasons:

the rainy season and the dry season. In the rainy season it rains almost every day. In the dry season there is no

rain for a long time.

( ) 1. In north China there are 4 seasons.

( ) 2. In some places there are two seasons.

( ) 3. The two seasons are the rainy season and the cloudy season.

( ) 4. It rains almost every day in the dry season.

( ) 5. It snows almost every day in the rainy season.

把账户分为借贷两方，哪一方登记增加数，哪一方登记减少数，取决于（）。

A、记账性质

B、记账方法

C、账户性质

D、记账规则

应做什么检验

A．宫颈刮片，细胞学检查

B．分泌物悬滴检查

C．宫颈分泌物涂片革兰染色

D．分泌物加10%的氢氧化钾镜检

E．衣原体培养

国债质押贷款的金额是国债面值的（）。

A、80%

B、100%

C、90%

D、70%

产于火山沉积岩中的层状铁矿床