【单选题】下列旅游活动中,属于世界旅游组织划定的六大旅游区中区内旅游的是( )。
【单选题】By citing the example of fluorescent lightbulbs. the author intends to show that______.
A.
they are more energy efficient than incandescent:
B.
they arc one of the best innovations we ever know
C.
solutions to climate change are not necessarily unusual
D.
many measures have been taken to fight global warming
【单选题】下列旅游活动中,属于世界旅游组织划定的六大旅游区中区间旅游的是( )。
【单选题】By referring to Sam's broken bicycle, the author intends to ______.
A.
illustrate the ways to repair his bicycle
B.
discuss the problems of his bicycle
C.
tell us how to solve a problem
D.
show us how simple it is to repair a bicycle
【判断题】蛋白质测定中凯氏定氮法,在吸收与滴定过程中蒸馏所释放出来的氨,用强碱溶液进行吸收。
【单选题】13下列旅游活动中,属于世界旅游组织划定的六大旅游区中区内旅游的是( )
【单选题】下列旅游活动中,属于世界旅游组织划定的六大旅游区中区间旅游的是( ) 。
【单选题】患者,女性,39岁。主诉:间断右上腹疼痛3年,再发伴发热、呕吐5小时。现病史:3年前,于进食油腻食物后出现右上腹疼痛,向右肩背部放射。三年间,上述症状反复发作,未进一步诊治。5小时前,进食油腻食物后再次出现右上腹绞痛、向右肩背部放射,伴发热、恶心、呕吐、大汗,来院治疗。入院查体:T:38.6℃,R:21次/分,P:106次/分,BP:110/70mmHg。急性病容。右上腹明显压痛、反跳痛,Murp...
【单选题】By referring to Sam's broken bicycle, the author intends to ______.
A.
illustrate the ways to repair his bicycle
B.
discuss the problems of his bicycle
C.
tell us how to solve a problem
D.
show us how to analyse a problem