下列衣料不能用加酶洗衣粉洗涤的是( ) A.棉织品 B.蚕丝制品 C.晴纶织品

题型:选择题

问题:

下列衣料不能用加酶洗衣粉洗涤的是(  )

A.棉织品

B.蚕丝制品

C.晴纶织品

D.人造丝织品

考点:氨基酸
题型:选择题

阅读理解,判断正"T"误"F"。

Dear Tina,

   How are you? I learnt to send emails yesterday. Last weekend I went to a Chinese restaurant with Joy

and Peter. We ate traditional Chinese food there. I think it's delicious and I like it. Tonight I went to Tom's

birthday party. We all ate a big birthday cake and drank some juice. I gave Tom a present. He liked it very

much. How about your weekend?

    Yours,

    Mary

( ) 1. Mary can send an email now.

(     ) 2. Mary went to a park last weekend.

(     ) 3. Mary likes Chinese food.

(     ) 4. Tom had a birthday party tonight.

题型:选择题

劳动力市场的核心

题型:选择题

女性,22岁,反复发作性肉眼血尿1年余,有肝炎史,肾活检示肾小球系膜细胞及系膜基质增生,免疫荧光有C3及IgA在系膜区及毛细血管壁沉积,可确诊为()

A.隐匿性肾炎

B.狼疮性肾炎

C.IgA肾病

D.乙肝相关性肾炎

E.慢性肾炎

题型:选择题

北京市注册的用人单位,应当到注册地的区县劳动保障行政部门、劳动能力鉴定机构、社会保险经办机构,申请工伤认定、劳动能力鉴定、核定工伤保险待遇。

题型:选择题

在红外光谱图上1500Cm-1和1600Cm-1两个吸收峰是否存在是鉴别下列何种基团存在的主要依据()。

A、CH3

B、苯环

C、-OH

D、C≡C

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