一般在机械产品的设计、制造过程中，所选用的金属材料大多以（）为主要依据。A、物理性能

There are many kinds of ants in America. One kind is very strong. People are afraid of it.

These ants move in a large group. They eat all the animals on their way. They can kill and eat elephants, and they can eat wood houses. Sometimes even people are killed by them. When the ants come, people leave their homes. But people are sometimes glad after the ants pass through, because they can see no insects(昆虫) or snakes.

小题1:Some ants in America can be very ______.

A．heavy

B．strong

C．large

D．thin小题2:People and animals are afraid of _____ in America.

A．one kind of ant

B．all kinds of ants

C．small ants

D．large ants.小题3:People have to get away from the ants because ________.

A．they can eat and kill elephants

B．they can also eat wood houses

C．they go in large groups

D．they can even kill people小题4:Where are the insects or the snakes after the ants pass through?

A．They hide themselves under the ground.

B．They have moved to other places before the ants come.

C．They can be killed and eaten up by the ants.

D．They were killed by people.小题5:Which is the best title for the story?

A．Ants

B．American Ants

C．A strong Ant

D．Animals

[中国农业银行] 因被所在机构开除、除名或因工资、福利发生争议的，在内部协调不成的情况下，银行工作人员可以直接向人民法院起诉。( )

进入隔离室时应（）

A.洗手

B.戴手套

C.戴口罩、护目镜

D.穿隔离衣

E.戴口罩

患者，女性，68岁，缺失，余留前牙I度松动，口底较浅、舌侧软组织附丽高、舌隆突明显，下列说法正确的是（）。

A．下颌为Kennedy第一类第一亚类牙列缺损

B．应设计舌杆

C．应设计舌板

D．舌板应覆盖在下颌舌隆突之下，进入舌间外展隙

E．义齿基托应尽量小

运行中的电缆和电气设备受潮或进水，使供电系统绝缘性能下降，但不会造成漏电故障。