硫化氢气体的浓度与发出的臭味成正比。

阅读短文，判断正(√)误(×)。

      Look at the cat. Its (它的) name is Xiao Bai. It has white body and black ear. Its eyes are brown. Its mouth

is black. The cat's voice (声音) is meow, with a meow meow here and a meow meow there, here a meow, there a meow, everywhere (到处) a meow meow. I like it.

( ) 1. The cat's name is Xiao Bai.

( ) 2. The cat is white.

( ) 3. The cat's mouth is black.

( ) 4. The cat's voice is meow.

( ) 5. I don't like the cat.

系统预试验

为达到治疗时兴奋A类纤维，激活粗纤维，TENS治疗仪所设计的脉冲波宽为()

A．0.04～0.3ms

B．0.3～0.4ms

C．0.4～0.45ms

D．0.45～0.5ms

E．0.01～0.04ms

蜗杆传动中蜗轮与蜗杆的转动速度和它们的齿数成正比。

甲向乙借款2万元，时效期间还剩1年，此时，甲与乙结婚，两年后，甲与乙离婚。乙向甲主张2万元的债权，是否受法律保护

A．不受法律保护，因诉讼时效已过

B．受法律保护，因结婚而导致诉讼时效中断，该债权的诉讼时效重新起算

C．受法律保护，因结婚而导致诉讼时效中止，乙还有6个月的时效期间

D．受法律保护，结婚构成诉讼时效延长的理由