The ／l／ in‘let’and the ／l／ in‘tell’are different phonemes.（)

1mol/l=1000mmol/l。()

A.L-L和L-L

B.L-L和L-L

C.L-L 和L -L

D.L -L和L-L

E.L-S和S-S

A.L，L～S，L

B.L，L，L～S

C.L～S，L，L

D.L，L～S，L

E.L，L，L～S

[l] [？] [？] are called phonemes of the phoneme |l|.()

A.L上L下L左L右

B.L上L右L下L左

C.L左L右L上L下

D.L右L上L下L左

A.≤150μL/L

B.≤200μL/L

C.≤250μL/L

D.≤300μL/L

A.L～L

B.L～L

C.L～L

D.L ～L

E.L ～L和L～S

Documentary L/C Irrevocable L/C Confirmed L/C Transferable L/C Standby L/C

A.4.0Kcal/L(16.8KJ/L)

B.4.3Kcal/L(18.0KJ/L)

C.4.7Kcal/L(19.1KJ/L)

D.5.0Kcal/L(21.0KJ/L)

E.5.6Kcal/L(23.5KJ/L)

A.＜2.8mmol/L ＞6.0mmol/L

B.＜3.5mmol/L ＞6.0mmol/L

C.＜3.0mmol/L ＞5.0mmol/L

D.＜2.8mmol/L ＞5.0mmol/L

A.＜1mmol/L;＞3mmol/L

B.＜1.5mmol/L;＞3.5mmol/L

C.＜2.5mmol/L;＞3.5mmol/L

D.＜1.5mmol/L;＞2.5mmol/L