你能想象一棵苹果树上长出三种不同口味的苹果吗?运用生物技术就可以做到,这种技术是 [ ]
A.嫁接
B.扦插
C.异花传粉
D.组织培养
A
男性,70岁,慢性阻塞性肺气肿急性发作,经鼻胃管给予匀浆膳。
若病人出现呼吸急促,需呼吸机治疗,建议()。
A.短期使用静脉营养支持治疗
B.管饲匀浆膳
C.管饲要素膳
D.管饲流质
E.口服匀浆膳
Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.
Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .
1()
A.relationship
B.emission
C.emulation
D.interpretation