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【单选题】
According to the passage, what is an ambassador supposed to do?A.
To help businessmen advertise products in the foreign country where he works.
B.
To ward off thieves from the tourists coming from his own country.
C.
To promote cross-cultural communication for political purposes.
D.
To keep his own government informed about any international affairs.
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举一反三
【单选题】设地面B、B'两点间相距80m,水准仪安置在BB'中点时,测得高差hBB' =+0.228m;将水准仪移至离B'点附近2-3米处,B'尺上中丝读数=1.438m,读取B点水准尺上中丝读数=1.656m,则仪器的询为()。
A.
A . + 12.9"
B.
-12.9"
C.
+25.8"
D.
D . -25.8 "
【简答题】医生手指用力较重的诊脉手法是（ ）
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