今日英语短文 – Spa for Cats and Dogs。短文难度分为两个等级，坚持阅读，有助于英文水平的提升。
Australian scientists make a new diabetes test. A diabetes test checks the level of blood sugar in the body. Blood sugar gives you energy.
The scientists believe that their test is very special. It looks like a strip. The test does not hurt. It checks the blood sugar from saliva.
An enzyme is inside the strip. The enzyme turns the blood sugar into a signal. A special device reads the signal. This way to test is different from any other tests.
The test does not use any electronic devices. It uses ink. It means that it is easy to make the test. People can print it. It is fast and cheap.
diabetes – 糖尿病
strip – 条状物（纸，金属等）
saliva – 唾液
enzyme – 酶
signal – 信号
device – 装置，设备
Australian scientists developed a new diabetes test that finds glucose in saliva. They believed that it was very exciting, and it was something that people hoped to make for a long time.
Scientists put an enzyme into a strip, and this enzyme turns glucose into a signal. A special device can read the signal, and it shows the level of glucose in the body. Scientists said that this test would change the way of making medical tests.
It is very easy and cheap to make the test because people can print it. There is no electronic device in it, and it contains only ink. The test is non-invasive, which means that it is not painful.