文中:Ed has allergies in the spring and fall. He takes antihistamines. and fall 是什么意思,这里take 为什么没有用took? 网校学员ufw**在学习零基础直达BEC商务英语高级四项全能实战签约【现金奖励班】时提出了此问题,已有1人帮助了TA。 网校助教
As the planet warms,scientists are seeing two main changes to allergy seasons.Allergy season length is longer and pollen levels are increasing.With warmer winter temperatures,the frost-free season starts earlier in the spring and ends later in the fall.In a research done by William Anderegg,an...
In addition to the common ragweed, other pollinating weeds (eg, Russian thistle), trees, grasses, and molds can cause seasonal allergies. Learn about the different seasonal allergens and their current treatments.
The article provides an answer to the question regarding the occurrence of allergy usually being suffered during spring, on winter season.EBSCO_AspWomans Day
Those with allergies in the spring are typically allergic to pollen that begins to appear in the air. We started seeing tree pollen, one of spring’s main offenders, back in the early weeks of February. In the latter part of the season, we will begin to see grass pollen, and the combi...
Many people suffer from seasonal, respiratory allergies, usually in the spring or fall and caused by pollen, mold and dust. Some people suffer from food allergies. Common allergenic foods are peanuts and shellfish. Of injected allergens, penicillin and insect venom are common offenders. Allergists...
There are many different types of allergies out there, and yet symptoms are often similar no matter what you're allergic to. It doesn't matter if your allergies are in the spring, summer, fall, winter, or all year long -- you need to know what your allergy symptoms are so you can ...
根据“researchers say climate (气候) change is behind it...With warmer winters, a pollen season starts earlier in the spring and ends later in the fall...This may make allergies more serious too”以及下文的描述可知,气候变化使季节性过敏更严重。故选C。 (2)题详解: 细节理解题。根据“a ...
This is also sometimes referred to as airborne, seasonal, or inhaled allergies, and these may change throughout the year. In the spring and summer, airborne allergens that may be affecting your Chihuahua include pollen, grasses, and weeds. ...
The most common cause is pollen (花粉) which is usually produced by trees in the spring grasses in the summer and weeds in the fall as part of their reproductive process. Other causes include organisms chemicals plants and dead skin particles (微粒) from dogs and cats can also cause ...