杂交育种主要有()两种.
A.杂交育种
B.细胞融合
C.原生质体融合
D.远源育种
参考答案:A, C
根据句意及图片提示写出单词
1. —Can you play ______ ?
—Certainly. I can play it well.
2. —Does Tom have a______?
—Yes, he does.
3. —Do you want to play _______?
—Yes, I do.
4. —I don't have a ______ ______.
—Don't worry. I can help you.
5. —Hello, Peter! I have a new______
—Oh, it's very nice.
孙思邈医德思想中不包含的提法是()
A.人命至重,有贵干金
B.博及医源,精勤不倦
C.省病诊疾,至意深心
D.普同一等,皆如至亲之想
E.万物悉备,莫贵于人