田间检验时,对大于10公顷的禾谷类常规种子的种子田,可采用与播种方向成多少度的样区?()
A.30
B.45
C.60
D.90
参考答案:D
用括号内所给动词的适当形式填空。
1. Jack, one of my buddies, kept ________ (nod) his head as if he completely understood what I said.
2. Years ago we didn't know this, but recent science _________ (show)that people who don't sleep well will soon get ill.
3. He with his friends ________ (lie) in the sun and feeling relaxed on the Long Beach when his new boss called him.
4. We first met on a train in 2000. We both felt immediately that we ______ (know)each other for years.
5. Listen to the speaker carefully, or you __________ (miss) something important .
6. - The food here is nice enough.
- Yes,my friend ____________ (introduce) me a right place.
7. Jack told me that they ________ (return)to the USA from Shanghai by the end of next November.
8. To prevent the things getting worse, action should ___________ (take) at once.
溶血性黄疸时,下列何种结果是正确的()
A.血中结合胆红素和未结合胆红素均增高,尿胆素原正常或升高,尿胆红素阳性
B.血中结合胆红素高度增加,未结合胆红素增多,尿胆素原正常或升高,尿胆红素阳性
C.血中结合胆红素高度增加,未结合胆红素增加,尿胆素原减少,尿胆红素强阳性
D.血中结合胆红素正常,未结合胆红素高度增加,尿胆素原增多,尿胆红素阴性
E.血中结合胆红素增加,未结合胆红素正常,尿胆素原增多,尿胆红素阴性